HARD
JEE Main
IMPORTANT
Earn 100

The shortest distance between the line x-y=1 and the curve x2=2y is:

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Important Questions on Parabola

HARD
JEE Main
IMPORTANT
The equation of one of the common tangents to the parabola y2=8x and x2+y2-12x+4=0 is
MEDIUM
JEE Main
IMPORTANT
A line y=3x+λ is drawn through focus S of the parabola y2=8x+16. If two intersection points of the given line and the parabola are A and B such that perpendicular bisector of AB intersects the x-axis at P then the length of PS is
HARD
JEE Main
IMPORTANT
If normals are drawn from a point P(h,k) to the parabola y2=4ax, then the sum of the intercepts which the normals cut off from the axis of the parabola is
HARD
JEE Main
IMPORTANT

If the normal to a parabola y2=4ax at P meets the curve again in Q and if PQ and the normal at Q makes angle α and β,

respectively, with the x-axis, then tanα(tanα+tanβ) has the value equal to

HARD
JEE Main
IMPORTANT
A line is a common tangent to the circle x-32+y2=9 and the parabola y2=4x. If the two points of contact a,b and c,d are distinct and lie in the first quadrant, then 2a+c is equal to ___ .
MEDIUM
JEE Main
IMPORTANT
Let P, Q be the points with parameters t1, t2 on the parabola y2=4ax. If the normals at P, Q meet on the parabola at Rt3, then
MEDIUM
JEE Main
IMPORTANT
The equation of common normal to the circle x2+y2-12x+16=0 and parabola y2=4x is
HARD
JEE Main
IMPORTANT
If L is the minimum distance between the curves x-62+y2=5 and y2=4x, then the value of L2 is