If int(sqrtx)/(x(x+1))dx=ktan^(-1)m,then...

If `int(sqrtx)/(x(x+1))dx=ktan^(-1)m`,then `(k,m)` is

A

`(2,sqrtx)`

B

`(1,sqrtx)`

C

(1,x)

D

(2,x)

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The correct Answer is:

A

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