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August 1, 2014

Homework Help: calculus

Posted by michelle on Monday, October 8, 2012 at 9:00pm.

Find an equation of the tangent line to the curve at the given point.

y= (1+3x)^12 , (0,1)


and find y' and y"
y=cos(x^2)

I got y' = -2xsin(x^2)
i keep trying to get double prime but everything i try isnt working.

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