AP EAMCET · Maths · Definite Integration
If \(A_n=\int_{\frac{\pi}{2}} e^{-x} \cdot \cos ^n x d x\), then \(\frac{A_4-A_6}{A_4}=\)
- A \(\frac{3}{2}\)
- B \(\frac{7}{37}\)
- C \(\frac{5}{37}\)
- D \(\frac{2}{7}\)
Answer & Solution
Correct Answer
(B) \(\frac{7}{37}\)
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