definite-integral

Question: $\int_{\,-\pi /2}^{\,\pi /2}{{{\sin }^{4}}x{{\cos }^{6}}x\,dx=}$



1) $\frac{3\pi }{64}$
2) $\frac{3\pi }{572}$
3) $\frac{3\pi }{256}$
4) $\frac{3\pi }{128}$
Solution: Explanation: No Explanation
Summation of series by definite Integration

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