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

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

Answers (1)

Correct option (a)

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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