May 22, 2015

Homework Help: math

Posted by Matteo on Monday, March 7, 2011 at 3:53pm.

A curve has implicit equation x^2-2xy+4y^2=12

a)find the expression for dy/dx in terms of y and x. hence determine the coordinates of the point where the tangents to the curve are parallel to the x-axis.

b)Find the equation of the normal to the curve at the point (2sqrt3,sqrt3).

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