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If int0^a(dx)/(sqrt(x+a)+sqrt(x))=int0^(...

If `int_0^a(dx)/(sqrt(x+a)+sqrt(x))=int_0^(pi/8)(2tantheta)/(sin2theta)dtheta,` then value of `' a '` is a equal to`(a >0)` `3/4` (b) `pi/4` (c) `(3pi)/4` (d) `9/(16)`

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If I=int_0^a (dx)/(sqrt(x+a)+sqrtx)=int_0^(pi/8) (2tantheta)/(sin2theta) d(theta),(where a>0) (A) a=3/4 (B) cot((3pi)/8) (C) tan((3pi)/8) (D) tan(pi/8)

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