Find the orthogonal trajectories of the family of curves.

http://www.webassign.net/www23/symIm...896c31754f.gif

I don't know how to begin this!

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- Feb 11th 2009, 11:07 PMkhoodorthogonal trajectory of an ellipse!
Find the orthogonal trajectories of the family of curves.

http://www.webassign.net/www23/symIm...896c31754f.gif

I don't know how to begin this! - Feb 12th 2009, 12:11 AMNonCommAlg