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Question

Mathematics Question on Functions

Suppose f:R\rightarrowR be given by f(x)={e(x101)+(x1)2sin11x,ifx1e^{(x^{10}-1)}+(x-1)^2sin\frac{1}{1-x},if\,\,\,x\neq1}, then

A

f'(1) does not exist

B

f'(1) exists and is zero

C

f'(1) exist and is 9

D

f'(1) exists and is 10

Answer

f'(1) exists and is 10

Explanation

Solution

The correct answer is option (D): f'(1) exists and is 10