Find the equations of the tangent and normal to the parabola y^2 = 4ax at the point (at^2, 2at).

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asked Jan 22, 2018 in Mathematics by sforrest072 (157,439 points) 63 449 1291

Find the equations of the tangent and normal to the parabola y2 = 4ax at the point (at2, 2at).

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answered Jan 22, 2018 by mdsamim (213,225 points) 5 10 23
selected Jan 22, 2018 by sforrest072
 
Best answer

The equation of the given parabola is y2 = 4ax.
On differentiating y2 = 4ax with respect to x, we have:

Thus, the equation of the normal at (at2, 2at) is given as:

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