Finding dy/dx for . Find equation of the tangent line to the graph at the given point. (1, sqrt 5)

Here's what I did;

Where did I go wrong? Or, if it's right by some chance, how do I proceed to find the equation?

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- November 14th 2009, 06:55 PMArchduke01Implicit differentiation
Finding dy/dx for . Find equation of the tangent line to the graph at the given point. (1, sqrt 5)

Here's what I did;

Where did I go wrong? Or, if it's right by some chance, how do I proceed to find the equation? - November 14th 2009, 07:06 PMProve It
- November 14th 2009, 07:12 PMArchduke01
- November 14th 2009, 07:20 PMProve It
Well if you have , then what does

equal? - November 14th 2009, 07:26 PMArchduke01
- November 14th 2009, 07:29 PMProve It
- November 14th 2009, 07:33 PMArchduke01
- November 14th 2009, 07:34 PMProve It
- November 14th 2009, 07:43 PMArchduke01
If I did it correctly, the value of c should be ...

So the equation should be

Does that seem right? The answer book says - November 14th 2009, 07:44 PMProve It
- November 14th 2009, 07:46 PMArchduke01
- November 14th 2009, 07:46 PMProve It
Both.

- November 14th 2009, 07:47 PMArchduke01