Homework Help: Math

Posted by SC on Sunday, February 7, 2010 at 11:03am.

Hi, I need help differentiating this equation
y=(cos5x) (e^-5x )

This is what I tried to do....
-5 (sin5x) (e^-5x) + 5 (e^-5x) (cos5x)

Math - Damon, Sunday, February 7, 2010 at 12:07pm
-5 (sin5x) (e^-5x) ## - ## 5 (e^-5x) (cos5x)

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