Home
Class 12
MATHS
The straight line lx+my+n=0 will touch t...

The straight line `lx+my+n=0` will touch the parabola `y^2 = 4px` if
(A) `lm^2 = np`
(B) `mn=pl^2`
(C) `pn^2 = lm`
(D) none of these

Promotional Banner

Similar Questions

Explore conceptually related problems

The line lx+my+n=0 is a normal to the parabola y^(2)=4ax if

Prove that the straight line lx+my+n=0 touches the parabols y^2=4ax , if ln=am^2 .

If the line lx+my+n=0 touches the parabola y^(2)=4ax, prove that ln=am^(2)

The pole of the line lx+my+n=0 with respect to the parabola y^(2)=4ax, is

If the line y=mx+c touches the parabola y^(2)=4a(x+a) , then

The line lx+my+n=0 touches y^(2)=4ax

If lx + my + n = 0 is tangent to the parabola x^(2)=y , them