Conic Sections Question 91

Question: The condition for which the straight line $ y=mx+c $ touches the parabola $ y^{2}=4ax $ is

[MP PET 1997, 2001]

Options:

A) $ a=c $

B) $ \frac{a}{c}=m $

C) $ m=a^{2}c $

D) $ m=ac^{2} $

Show Answer

Answer:

Correct Answer: B

Solution:

It is a formula.



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