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If int sqrt(1-x^2)/x^4dx=A(x).(sqrt(1-x^...

If `int sqrt(1-x^2)/x^4dx=A(x).(sqrt(1-x^2))^m` where `A(x)` is a function of `x` then `(A(x))^m`= (A) `-1/(27x^9)` (B) `1/(27x)^9` (C) `1/(3x^9)` (D) `-1/(3x^9)`

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