Learning Mathematics for IIT JEE
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Saturday, December 6, 2008
Equation of normal in different forms
Parabola equation y² = 4ax; at point (x1,y1)
(y-y1) = (-y1/2a)* (x-x1)
In parametric form Points is (at²,2at)
y+tx = 2at + at³
Slope form, slope of the normal = m
y = mx-2am-am³
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