ExamBro
ExamBro
AP EAMCET · Maths · Definite Integration

\(\int_{-5 \pi}^{5 \pi}(1-\cos 2 x)^{\frac{5}{2}} d x=\)

  1. A \(\frac{64 \sqrt{2}}{5}\)
  2. B \(\frac{128 \sqrt{2}}{5}\)
  3. C \(\frac{256 \sqrt{2}}{3}\)
  4. D \(\frac{128 \sqrt{2}}{3}\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(\frac{128 \sqrt{2}}{3}\)

Step-by-step Solution

Detailed explanation

\(\begin{aligned} \quad \mathrm{I} & =\int_{-5 \pi}^{5 \pi}(1-\cos 2 x)^{\frac{5}{2}} d x=2 \int_0^{5 \pi}\left(2 \sin ^2 x\right)^{\frac{5}{2}} d x \\ \Rightarrow \mathrm{I} & =(2)^3 \sqrt{2} \int_0^{5 \pi} \sin ^5 x d x \end{aligned}\) Let…