Write an equation of the normal line that is perpendicular to the tangent line to the curve x^2+xy-y^2=1 at a point (2,3) I don't even know how to start this I need step by step help if possible,
Last edited by kristin08; May 1st 2009 at 05:43 PM.
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Originally Posted by kristin08 Write an equation of the normal line that is perpendicular to the tangent line to the curve x^2=xy-y^=1 at a point (2,3) I don't even know how to start this I need step by step help if possible, fix your equation ... you have two equal signs.
Sorry
Originally Posted by kristin08 Write an equation of the normal line that is perpendicular to the tangent line to the curve x^2+xy-y^2=1 at a point (2,3) derivative ... sub in the coordinates ... normal slope is equation of the normal line is ...
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