A) \[y={{\tan }^{-1}}\left[ \log \left( \frac{e}{x} \right) \right]\]
B) \[y=x{{\tan }^{-1}}\left[ \log \left( \frac{x}{e} \right) \right]\]
C) \[y=x{{\tan }^{-1}}\left[ \log \left( \frac{e}{x} \right) \right]\]
D) None of these
Correct Answer: C
Solution :
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