If f(x) = (x-a)/(sqrt(x)-sqrt(a)), x != ...

If `f(x) = (x-a)/(sqrt(x)-sqrt(a)), x != a`, is continuous at x = a then f(a) is equal to

A

(a) `sqrt(a)`

B

(b) `2sqrt(a)`

C

(c) `a`

D

(d) `2a`

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The correct Answer is:

B

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