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OpenStudy (anonymous):
If y=x^{2}sin2x, then dy/dx= ? A) 2xcos2x B) 4xcos2x C) 2x(sin2x+cos2x) D) 2x(sin2x-xcos2x) E) 2x(sin2x+xcos2x)
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OpenStudy (anonymous):
try using the product rule
OpenStudy (anonymous):
y = v'u + vu'
OpenStudy (anonymous):
B
OpenStudy (anonymous):
|dw:1365116662821:dw|
OpenStudy (anonymous):
Wait, think I got it. Is it choice E?
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OpenStudy (anonymous):
its e
OpenStudy (anonymous):
Yay, I was right
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