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The normal chord of parabola y^2=4ax at (x1,x1) subtends a right angle at

The normal chord of parabola y^2=4ax at (x1,x1) subtends a right angle at

Grade:11

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
7 years ago
Hii

Write down the equation of normalfor parabola and let it pass through by point (x1,x1) . Assume the point to be (h,k ) . assume the angle that it makes with the normal and use the formula for difference of tan of angle wrt slope of lines.

You will get the answer

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