NCERT Solutions for Class 12 Maths Chapter 10 Miscellaneous Exercise.

Show that f Class 11 Maths Ch 10 Miscellaneous Video is invertible. Find the inverse of f. Here, W is the set of all class 12 maths ch 10 Class 11 Maths Ch 10 Miscellaneous Online miscellaneous days numbers. Similarly, the possibility of n being even and m being odd can also be ignored. Now, if both n and m are odd. Hence, the inverse of f is f. Thus, the case of x being positive and y being negative can be ruled. Under a similar argument, x being negative and y being positive miscelaneous also be ruled vlass.

For this, consider element 1 in co-domain N. It is clear that this element is not an image of any of the elements in domain N. Given a non empty set X, consider P X class 12 maths ch 10 miscellaneous days is the set of all subsets of X.

Define clas relation R in P X as follows:. Is R an equivalence relation on P X? Justify your answer. Hence, R is not an equivalence relation as it is not symmetric. Dzys F -1 of matys following functions F from S to T, if it exists.

Hence, F is not invertible i. Then number of relations containing 1, 2 and 1, 3 which are. The smallest relation containing 1, 2 and 1, 3 which is reflexive and symmetric, but not transitive is given by:. Now, if we add any two pairs 3, 2 and 2, 3 or both to relation R, then relation R will become transitive. Then number of equivalence relations class 12 maths ch 10 miscellaneous days 1, 2 is. The smallest equivalence relation containing 1, 2 is given by.

Now, we are left with only four pairs i. If we odd any one pair [say 2, 3 clas to R1, then for symmetry we must add 3, 2. Also, for transitivity we are required to add 1, 3 and 3, 1.

Hence, the only equivalence relation bigger than R1 is the universal relation. This shows that the total number of equivalence relations containing 1, 2 is two.

Then, does fog and gof coincide in 0, 1]? Exercise 1. Previous Post Next Post. Contact clas. LinkList ul li ul'. Tabify by Templateify v1.


In by Triangle Law of Addition of vectors,. Also find angles. Hence, vector which is also perpendicular to both and is where or some Class 12 Maths Ch 10 Miscellaneous Code other scalar. Example number 29 and 30 are tricky and important. How do you find the dot product of two vectors a and b? We know that.


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