Let f(x) = sqrt(x - 1)+sqrt(x+ 24 - 10sq...

Let `f(x) = sqrt(x - 1)+sqrt(x+ 24 - 10sqrt(x-1)), 1 lt x lt 26` be a real valued function 1, then `f'(x)` for `1 lt x lt 26` is

A

0

B

`1/(sqrt(x-1))`

C

`2sqrt(x-1)`

D

None of these

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The correct Answer is:

A

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