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CBSE Class 12-science Answered

∫x(sin4x•cos2x)dx = ???

Asked by patelmanan4102002 | 21 Aug, 2019, 06:52: PM
Expert Answer
begin mathsize 16px style straight I equals integral xsin 4 xcos 2 xdx
straight I equals 1 half integral straight x open parentheses sin 6 straight x minus sin 2 straight x close parentheses dx
straight I equals 1 half integral open parentheses xsin 6 straight x minus xsin 2 straight x close parentheses dx
straight I equals 1 half open parentheses integral xsin 6 xdx minus integral xsin 2 xdx close parentheses
Integrate space it space further. end style
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