RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 17. Increasing and Decreasing Functions

Subject: Maths - Class 12th

Q. No. 19 of MCQ

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19

Mark the correct alternative in the following:

Every invertible function is


Formula:- (i) The necessary and sufficient condition for differentiable function defined on (a,b) to be strictly increasing on (a, b) is that f’(x)>0 for all x(a,b)


If f(x) is strictly increasing function on interval [a, b], then f-1 exist and it is also a strictly increasing function

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