If, sin^(-1)x+sin ^(-1)""2x=(pi)/(3) , t...

If, `sin^(-1)x+sin ^(-1)""2x=(pi)/(3)` , then value of `x` is

A

(A) `sqrt(3/7)`

B

(B) `1/2sqrt(3/7)`

C

(C) `-sqrt(3/7)`

D

(D) `-1/2sqrt(3/7)`

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