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If f(y)=f(x^(2)+2) and f'(3)=5, then (dy...

If `f(y)=f(x^(2)+2)` and `f'(3)=5`, then `(dy)/(dx)` at `x=1` is :

A

10

B

15

C

25

D

5

Text Solution

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The correct Answer is:
A
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