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August 23, 2014

August 23, 2014

Posted by **elis** on Tuesday, July 19, 2011 at 3:19pm.

- math -
**Reiny**, Tuesday, July 19, 2011 at 3:25pmuse the product rule

y = (-4x^2)(cosx_

dy/dx = (-4x^2)(-sinx) + (-8x)(cosx)

= 4x^2sinx - 8xcosx

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