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Tartarus March 8th, 2010 05:29 PM

Could someone, kindly, check these solutions?

Eqn. of the normal:


Eqn. of the tangent:


Eqn. of the normal:

Help with finding the gradient please.

greg1313 March 8th, 2010 05:54 PM

Re: Derivatives
For 1)

For 2)

Everything else looks correct.

Tartarus March 9th, 2010 05:54 PM

Re: Derivatives

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