HARD
VITEEE
IMPORTANT
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Find the common tangent of the parabola x2=4ay and y2=4ax a>0

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Important Questions on Conic Sections

HARD
VITEEE
IMPORTANT
If C is the centre and A, B are the two points on the conic 4x2+9y2-8x-36y+4=0 such that ACB=π2, then CA-2+CB-2 is equal to
HARD
VITEEE
IMPORTANT
If the tangent at the point Px1,y1 to the parabola y2=4ax meets the parabola y2=4a(x+b) at Q and R, then the midpoint of QR is
HARD
VITEEE
IMPORTANT
The normals at three points P, Q and R of the parabola y2=4ax meet at h,k. The centroid of the ΔPQR lies on
MEDIUM
VITEEE
IMPORTANT
If two of the normal of the parabola y2=4x that passes through (15,12) are 4x+y=72 and 3x-y=33, then the third normal is