If f(1)=1,f'(1)=2 , then lim(xto1)(sqrt(...

If `f(1)=1,f'(1)=2` , then `lim_(xto1)(sqrt(f(x))-1)/(sqrt(x)-1)` is a)2 b)4 c)1 d)`1/2`

A

2

B

4

C

1

D

`1//2`

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The correct Answer is:

A

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