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October 4th, 2013, 08:03 PM   #1
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Find the equation of the tangent line (3)

Find the equation of the tangent line to

Can someone check my work?

?
Shamieh is offline  
 
October 4th, 2013, 11:48 PM   #2
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Re: Find the equation of the tangent line (3)

You wrongly computed the derivative and then made a substitution error.

Please confirm this. Next, substitute in the expression for to get -18 not 54. The equation for your line is
.
I hope you were sleepy when doing this post - otherwise, I must say you're being sloppy.
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