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Grade 11Discuss with colleagues and IITians

The condition that the parabola y^2=4c(x-d) and y^2=4ax have a common nornal other than x-axis (a>0,c>0) is (a>c>0)

2a

2c

2d

2d

Raviraj singh

11 Years agoGrade 11

1 Answer

Sourabh Singh

10 Years ago

Find out the condition for common normal .Write down equation of normals for both parabola’s normal and equate them.You will get the answer.

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