AP EAMCET · Maths · Parabola
The line among the following which touches the parabola \(y^2=4 a x\), is
- A \(x+m y+a m^3=0\)
- B \(x-m y+a m^2=0\)
- C \(x+m y-a m^2=0\)
- D \(y+m x+a m^2=0\)
Answer & Solution
Correct Answer
(B) \(x-m y+a m^2=0\)
Step-by-step Solution
Detailed explanation
Given equation of parabola is \(y^2=4 a x\) Let the equation of line be \(y=m x+c\) If this line touches the parabola, then…
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