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NCERT Solutions For Class 10 Maths Chapter 1 Real Numbers Welcome to the Online Textbooks Section. This online service offers easy access to the NCERT textbooks. The service covers textbooks of all subjects published by NCERT for classes I to XII in Hindi, English and Urdu. List of Exercises we covered in NCERT Solutions for Class 10 Maths Chapter 4: Exercise Solutions� 2 Questions Exercise Solutions� 6 Questions Exercise Solutions� 11 Questions Exercise Solutions� 5 Questions In a quadratic equation, x represents an unknown form and a, b, c are the known values. An equation to be quadratic. Free PDF download of NCERT Solutions for Class 10 Maths Chapter 4 Exercise (Ex ) and all chapter exercises at one place prepared by expert teacher as per NCERT (CBSE) books guidelines. Class 10 Maths Chapter 4 Quadratic Equations Exercise Questions with Solutions to help you to revise complete Syllabus and Score More marks. Register and get all exercise solutions in your emails.
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Key Points Quiz. Literature Fiction Interactive. Fiction Two gentlemen of verona Mrs packletides tiger The letter Patol babu. Share and Enjoy! Course Curriculum No curriculum found! Course Reviews N. No Reviews found for this course. Related Courses.

All Rights Reserved. Terms and Conditions We are Hiring! Send us a Message. Remember me. Register Create an Account. Powered by Join. Social Civics. Social Economics. Social Geography. Social History. Chapter 1 - Power sharing. Chapter 1 - Development. Chapter 1 - Resources and development.

Chapter 1 - The rise of nationalism in europe. Power sharing. The indicators of development. Types of resources: on the basis of origin. The french revolution and the idea of the nation part-I. Different forums of power sharing part-I. What is the per capita income. Types of resources: on the basis of exhaustibility. The french revolution and the idea of the nation part-II.

Different forums of power sharing part-II. Income and other criteria. Types of resources: on the basis of ownership. The french revolution and the idea of the nation part-III. Outcomes and Lessons. How to compare different countries or states part I. Types of resources: on the basis of the status of development. The french revolution and the idea of the nation part-IV. Chapter 1 - Quiz. How to compare different countries or states part II.

Land resources. The age of revolution part-I. Chapter 1 - Key Points. Public facilities. Land utilization. The age of revolution part-II. Some data regarding india and its neighbours for Land use pattern in india. Hunger hardship and popular revolt part I.

Sustainability of development. Hunger hardship and popular revolt part II. Key Points. Land degradation and conservation measures. Soil as a resource part I. Soil as a resource part II. The making of germany and italy. Laterite soil. Italy unified. Arid soils.

The strange case of britain part-I. Forest soils. The strange case of britain part-II. The making of nationalism in Europe. Chapter 2 - Federalism.

Chapter 2 - Sectors of the indian economy. Chapter 2 - Forest and wildlife resources. Chapter 2 - The nationalist movement in indo-china.

Federalism and its key features part-I. Sectors of indian economy introduction part-I. Conservation of forest and wildlife in india part I. The nationalist movement indo-china.

Federalism and its key features part-II. Sectors of indian economy introduction part-II. Conservation of forest and wildlife in india part II. Emerging from the shadow of china. Difference between a federal form of government and unitary form of government.

Historical change in sectors. Project tiger. Why the french thought colonies necessary. How far the federal government is better than the unitary government? Rising importance of the tertiary sector introduction part-I.

Types and distribution of forest and wildlife resources part Should colonies be developed? Indian federalism compared with belgium.

Rising importance of the tertiary sector introduction part-II. Hygiene, disease and everyday resistance. Division of powers.

Where are most of the people employed? Community and conservation. The rat hunt. An independent judiciary. Chapter 2 - Key Points. The communist movement and vietnamese nationalism. An independent election commission. Chapter 2 - Quiz. The new republic of vietnam. Holding together type of federation. The entry of the us into the war.

Sharing of powers between the centre and the states. The ho chi minh trail. Formation of linguistic states. The end of the war. Liberal language policy. Chapter 3 - Democracy and diversity.

Chapter 3 - Money and credit. Chapter 3 - Water resources. Chapter 3 - Nationalism in india. Fight for civil rights and equality. Deposits with banks. Water resources part I. The first world war, khilafat and non-cooperation.

The policy of apartheid as was followed by south africa. Modern forms of money. Water resources part II. The idea of satyagraha. Civil rights movement in the u. Loan activities of banks part-I. Rainwater harvesting part I. The rowlatt act part-I. When does a social difference become a social division? Loan activities of banks part-II. Rainwater harvesting part II. The rowlatt act part-II. Do social differences happen only in big countries like india?

Terms of credit. Rainwater harvesting part III. The rowlatt act part-III. Chapter 3 - Quiz. Formal sector credit in india part - I. Multi-purpose river projects and integrated water resources management part - I. Why non-cooperation? Chapter 3 - Key Points. Formal sector credit in india part - II. Multi-purpose river projects and integrated water resources management part - II. Differing strands within the movement. Towards civil disobedience. The salt march and the civil disobedience movement part - I.

The salt march and the civil disobedience movement part - II. How participants saw the movement part-I. How participants saw the movement part-II. Rebellion in the countryside part I. Rebellion in the countryside part II. The limits of civil disobedience part I. The limits of civil disobedience part II.

Swaraj in the plantations. Chapter 4 - Gender, religion and caste. Chapter 4 - Globalisation and the indian economy. Chapter 4 - Agriculture. Chapter 4 - The making of a global world. Gender and politics. Globalisation and the indian economy introduction. Silk routes link the world. Different aspects of life in which women are discriminated part-I. Production across countries.

Primitive subsistence farming. Food travels spaghetti and potato. Different aspects of life in which women are discriminated part-II. Interlinking production across countries part-I. Intensive subsistence farming. Conquest disease and trade. Gender issue with respect to politics. Interlinking production across countries part-II.

Commercial farming. Wartime transformations. What has been done for women's representation in the political sphere in india? Foreign trade and integration of market. Cropping pattern part-I. Post-war recovery. What is meant by communal politics? Chinese toys in india. Cropping pattern part-II. Rise of mass production and consumption part - I. Two social groups: scheduled castes and scheduled tribes. What is globalisation? Major crops part-I.

Rise of mass production and consumption part - II. Other factors that people keep in mind at the time of elections other than the caste. Impact of globalisation in india. Major crops part-II. The great depression part - I. Role of politics in caste. World trade organisation. Major crops part-III. The great depression part - II. Reasons for the decline of the caste system. Factors that have enabled globalisation. Major crops part-IV.

India and the great depression. Chapter 4 - Quiz. Liberalisation of foreign trade. Food crops other than grains part-I. Rebuilding a world economy the post war era. Chapter 4 - Key Points. Food crops other than grains part-II. Post war settlement and the bretton woods institutions. Food crops other than grains part-III.

The early post war years. Food crops other than grains part-IV. Decolonisation and independence. Non-food crop part-I. End of bretton woods and the beginning of globalisation. Non-food crop part-II. A world economy take shapes.

Contribution of agriculture to the national economy, employment and output. Indian entrepreneurs abroad. Food security part - I. Indian trade colonialism and the global system. Food security part - II. The nineteenth century. Do you know why foodgrains productions has remained stagnant or fallen for six consecutive years? Chapter 5 - Popular struggles and movements. Chapter 5 - Consumer rights.

Chapter 5 - Minerals and energy resources. Chapter 5 - The age of industrialisation. Popular struggles movements: introduction. The consumer in the marketplace part-I. Mineral and energy resources.

Before the industrial revolution part I. Popular struggle in nepal part I. The consumer in the marketplace part-II. What is a mineral? Before the industrial revolution part II.

Popular struggle in nepal part II. The consumer movement. Classification of minerals. The coming up of the factory. Popular struggle in bolivia.

Information about goods and services. Mode of occurrence of minerals part-I. The pace of industrial change. Struggle in nepal and bolivia: conclusion. Learning to become well-informed consumers.

Mode of occurrence of minerals part-II. Hand labour and steam power. What is pressure group or interest group? Case study. Mode of occurrence of minerals part-III. The age of indian textiles. What are interest groups? Consumers movement part I. Minerals in india: introduction. Manchester comes to india. What is a movement? Consumers movement part II. Ferrous minerals. Factories come up. Jan lokpal bill movement. Taking the consumer movement forward. Iron ore. Where did the workers come from?

Types of participation in democracy. Iron ore belts in india. Chapter 5 - Quiz. Non-ferrous minerals : copper. Small scale industries predominate. Chapter 5 - Key Points. The peculiarities of industrial growth. Non-metallic minerals. Conservation of minerals. Energy resources. Conventional sources of energy. Natural gas. Chapter 6 - Political parties. Chapter 6 - Manufacturing industries. Chapter 6 - Work, life and leisure.

Political parties and their need. Jute textiles. Industrialisation and the rise of the modern city in england. Functions of political parties in a democracy part-I. Challenges faced by the jute industry. Politics in the city. Functions of political parties in a democracy part-II. Sugar industry. The city in colonial india. How do the political parties form the public opinion? Importance of manufacturing. Bombay as the city of dreams.

How many parties are good for a democracy. Cotton textiles part I. Cities and the challenge of the environment. National parties and state parties. Cotton textiles part II. Classification of party systems on the basis of the number of parties in the political system. Iron and steel industry part I. Offering a meaningful choice of political parties to the voters.

Iron and steel industry part II. Land reclamation in Bombay. How many political parties should we have? Aluminium smelting. Marginal groups. Chemical industries part I. Men women and family in the city. Bahujan samaj party bsp. Chemical industries part II.

Social change in the city. Regional or state parties. Cement industry. Transport in the city. Chapter 6 - Quiz. Chapter 6 - Key Points. Chapter 7 - Outcomes of democracy. Chapter 7 - Life lines of national economy.

Chapter 7 - Print culture and the modern world. Transport: roadways part-I. Print comes to europe. Characteristics of democracy part-I. Transport: roadways part-II. Gutenberg and the printing press. Characteristics of democracy part-II. Transport: roadways part-III. The print revolution and its impact part I. Characteristics of dictatorship. The print revolution and its impact part II. Which one is preferable? Distribution of railways. India and the world of print. Chapter 7 - Quiz.

Print culture and the modern world. Chapter 7 - Key Points. Transport: waterways. Print in Japan. Major seaports part-I. Major seaports part-II. Communication part-I. Communication part-II. International trade part-I. International trade part-II.

Tourism as a trade. Chapter 8 - Challenges to democracy. Chapter 8 - Novels, society and history. Poverty: a great challenge to democracy. The novel comes to india. Measures to remove poverty. Novels in the colonial world. The new woman. The publishing market. Unemployment: another challenge to democracy part-I.

The rise of the novel. Unemployment: another challenge to democracy part-II. The world of the novel. Casteism: a challenge to democracy. Women and the novel. Gender inequality: As a challenge to democracy part-I.

Gender inequality: As a challenge to democracy part-II. Gender inequality: As a challenge to democracy part-III. Corruption: another challenge to democracy part-I. Corruption: another challenge to democracy part-II. Corruption: another challenge to democracy part-III. Regional imbalance in india. Illiteracy in india. Role of citizens in a democracy. Chapter 8 - Quiz. Chapter 8 - Key Points. Chapter 1 - Chemical Reactions and Equations. Chemical equations. Balancing of equation - part I. Balancing of equation - part II.

Balancing of equation - part III. Types of chemical reactions. Types of chemical reactions : combination reaction. Types of chemical reactions : decomposition reaction. Types of chemical reactions : displacement reaction. Types of chemical reactions : double displacement reaction. Types of chemical reactions : oxidation and reduction.

Types of chemical reactions : exothermic and endothermic reaction. Chapter 2 - Acids, Bases and Salts. How do acid and base react with metals? Reaction of metallic oxides with acids and non-metallic oxide with base. Strength acid and base - part I. Strength acid and base - part II. Strength acid and base - part III. Importance of pH. What happens to an acid or base in water solution? Base is dissolved in water. Water is mixed with an acid or a base. Family of salts.

Sodium hydroxide. Bleaching powder. Baking soda. Washing soda. What is a solution? Concentration of a solution. Chapter 3 - Metals and Non-metals. Non metals : introduction. What happens when metals are burnt in air part I. What happens when metals are burnt in air part II. What happens when metals react with water. What happens when metals react with acids. How do metals and non-metals react? Occurrence of metals. Extracting metals considering their reactivity.

Extracting metals in the middle of the activity series. Extracting metals towards the top of the activity series.

Corrosion of metal. Chapter 4 - Carbon and its Compounds. Bonding in carbon : The covalent bond - part I. Bonding in carbon : The covalent bond - part II. Allotropes of carbon. Saturated and unsaturated carbon compounds. Chains, branches and rings. Functional groups. Nomenclature of organic compounds. Substitution reactions of alkanes. Chemical properties of carbon compounds part I. Chemical properties of carbon compounds part II. Properties of ethanoic acid. Soaps and detergents.

Chapter 5 - Periodic Classification of Elements. Newlands' law of octaves. Mendeleev's periodic table. Achievement of mendeleev's periodic table. Limitation of mendeleev's classification.

Periodic classification of elements. Position of elements in the modern periodic table. Maximum number of electrons in a shell. Atomic size. Properties of metals. Properties of non-metals. Periodic table. Chapter 6 - Life Processes. Nutrition in plants - part I. Nutrition in plants - part II. Nutrition in plants - part III. Nutrition in humans. Digestion in mouth and oesophagus. Digestion in stomach. Digestion in small intestine.

Digestion in large intestine. Aerobic respiration. Anaerobic respiration. Respiration in humans. Process of respiration. Structure of the human heart. Transportation : Lymphatic system. Transportation in plants : introduction. Transportation of water and minerals. Transportation of food and other substances.

Human excretory system. Human excretory system : process. Excretion : renal failure and dialysis. Excretion in plants. Chapter 7 - Control and Coordination. Nervous system in animals : nerve cells. Reflex action. Reflex action mechanism. The brain - part I. The brain - part II. The brain - part III. Coordination in plants. Types of plant movement. Types of tropism. Plant growth hormones : intro. Plant growth hormones. Endocrine glands : introduction. Endocrine glands : hypothalamus gland.

Endocrine glands : pituitary gland. Endocrine glands : thyroid gland. Endocrine glands : parathyroid gland. Endocrine glands : adrenal glands. Endocrine glands : pancreas. Endocrine glands : pineal gland. Endocrine glands : thymus gland. Endocrine glands : testes. Endocrine glands : ovaries. Chapter 8 - How do Organisms Reproduce? Asexual reproduction : budding in yeast. Asexual reproduction : vegetative propagation : cutting.

Asexual reproduction : vegetative propagation : layering. Asexual reproduction : vegetative propagation : grafting. Asexual reproduction : vegetative propagation : plant tissue culture. Advantages of vegetative propagation.

Sexual reproduction in flowering plants. Reproduction in human beings. Reproduction in human beings : male reproductive system. Reproduction in human beings : female reproductive system. Chapter 9 - Heredity and Evolution. Heredity and evolution part I. Heredity and evolution part II. Rules for the inheritance of traits mendel's contributions part I. Rules for the inheritance of traits mendel's contributions part II.

Rules for the inheritance of traits mendel's contributions part III. Rules for the inheritance of traits mendel's contributions part IV. Sex determination : introduction. Sex determination. Evolution - part I. Evolution - part II. Evolution - part III. Evolution and classification. Evolution and classification : basic characteristics. Division on the basis of level of body organisation. Morphological and anatomical evidences. Analogous organs. Vestigial organs. Embryological and paleontological evidences.

Chapter 10 - Light � Reflection and Refraction. Image formation by spherical mirror. Image formation by concave mirror.

Formation of image by spherical mirrors by drawing ray diagram. Ray diagram of image formation by concave mirror. Image formation by convex mirror. The history of the solution of quadratic equations extends across the world for more than years as class 10 Math chapter 4 exercise 4. The earliest known records are Babylonian clay tablets from about BCE where the diagonal of a unit square is given to five decimal places of accuracy.

But, as you will know from class 10 quadratic equation exercise 4. Exercise 4. Later Sridharacharya made the calculations of these quadratic equations by completing the square methodology which became more convenient; better known as now as Sridharacharya Formula of Quadratic Equation. This formula is known as Sridharacharya formula, as you will know from exercise 4.

Example Examine the nature of the roots of the following quadratic equation. The given quadratic equation is in the general form:. So, the roots are real and distinct. So, the roots are imaginary.

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