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Grade: 11
        The normal chord of parabola y^2=4ax at (x1,x1) subtends a right angle at
3 years ago

Answers : (1)

Sourabh Singh
IIT Patna
askIITians Faculty
2104 Points
							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
3 years ago
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