Need solution for rd sharma maths class 12 chapter 16 Increasing and Decreasing functions exercise Multiple choice question, question 19
Correct option (a)
Hint: If is invertible function
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.