Conic Sections Question 107
Question: The point at which the line $ y=mx+c $ touches the parabola $ y^{2}=4ax $ is
[RPET 2001]
Options:
A) $ ( \frac{a}{m^{2}},\ \frac{2a}{m} ) $
B) $ ( \frac{a}{m^{2}},\ \frac{-2a}{m} ) $
C) $ ( -\frac{a}{m^{2}},\ \frac{2a}{m} ) $
D) $ ( -\frac{a}{m^{2}},\ -\frac{2a}{m} ) $
Show Answer
Answer:
Correct Answer: A
Solution:
It is obvious.