Question

The value of $\frac{e^{-\frac{\pi}{4}}+\int^{\frac{\pi}{4}}_{0}e^{-x}\tan^{50}x\ dx}{\int^{\frac{\pi}{4}}_{0}e^{-x}(\tan^{49}x+\tan^{51}x)dx}$ is

• A. 25
• B. 49
• C. 50
• D. 51

Answer 1

Answer: (C)

50

Answer 2

The correct answer is (C) : 50