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If f(x)=x^(2), phi(a)=b^(2),f^(1)(a)=n p...

If `f(x)=x^(2), phi(a)=b^(2),f^(1)(a)=n phi^(1) and phi^(1)(a)=ne0`, then `Lt_(x to a)(( sqrt(f(x))-a)/(sqrt(phi(x))-b))=`

A

`(na)/(b)`

B

`(nb)/(a)`

C

`n(a-b)`

D

`n((a)/(b))`

Text Solution

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The correct Answer is:
B
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