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Question

Engineering Mathematics Question on Surface and Volume integrals

The value of integral,I=∫0π4I=∫^{\frac{π}{4}}_0 cosx sin3x sin3 x dx is

A

164\frac{1}{64}

B

116\frac{1}{16}

C

14\frac{1}{4}

D

1

Answer

116\frac{1}{16}

Explanation

Solution

The correct option is (B): 116\frac{1}{16}