A) \[{{\tan }^{-1}}\frac{(b+a)}{\sqrt{ab}}\]
B) \[{{\tan }^{-1}}\left( \frac{a-b}{ab} \right)\]
C) \[{{\tan }^{-1}}\frac{(b-a)}{\sqrt{ab}}\]
D) All of these
E) None of these
Correct Answer: C
Solution :
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