Maths
General
Easy
Question
Straight line x + my + n = 0 touches parabola y^{2} = 4ax if n = am^{k} then k =
 1
 2
 3

The correct answer is: 2
To find the value of k.
The xcoordinates of the points of intersection of the line $lx+my+n=0$ and parabola is
Therefore, the value of k is 2.
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