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Given that int (dx)/(sqrt(2 ax - x^2)) =...

Given that `int (dx)/(sqrt(2 ax - x^2)) = a^n sin^(-1) ((x-a)/(a))` where a is a constant. Using dimensional analysis. The value of n is

A

1

B

Zero

C

-1

D

None of these

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The correct Answer is:
B
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