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Need solution for rd sharma maths class 12 chapter 16 Increasing and Decreasing functions exercise Multiple choice question, question 19

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Hint: If f(x)  is invertible function {f}'(x)>0

Given: Every invertible function is

Explanation: We know,

A function is invertible in a given domain,

If it is continuous & one-one in the domain.

And if the function is one-one in the domain,

It has to be strictly monotonic .

Hence, every invertible function is monotonic.

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