A) \[\frac{4\pi }{\sqrt{3}}\,\,\left[ {{\tan }^{-1}}3-\frac{\pi }{4} \right]\]
B) \[\frac{4\pi }{\sqrt{3}}\,\,\left[ {{\tan }^{-1}}2-\frac{\pi }{4} \right]\]
C) \[\frac{4\pi }{\sqrt{5}}\,\,\left[ {{\tan }^{-1}}3-\frac{\pi }{2} \right]\]
D) \[\frac{4\pi }{\sqrt{5}}\,\,\left[ {{\tan }^{-1}}3-\frac{\pi }{6} \right]\]
E) None of these
Correct Answer: A
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