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Conic Sections Quiz
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Question 1
Let P be the point on the parabola, y2 = 8x which is at a minimum distance from the centre C of the circle, x2 + (y + 6)2 = 1. Then the equation of the circle, passing through C and having its centre at P is
Question 2
The radius of a circle, having the minimum area, which touches the curve y=4−x2 at vertex and the lines, y=|x| is
Question 3
The slope of the line touching both the parabolas y2 = 4x and x2 = – 32y is
Question 4
A tangent is drawn to the parabola y = x2 + 6 at the point (1, 7) which also touches the circle
x2 + y2 + 16x + 12y + c = 0 at
x2 + y2 + 16x + 12y + c = 0 at
Question 5
Angle between tangents drawn from the point (1, 4) to the parabola y2 = 4x is
Question 6
Equation of common tangent of y = x2, y = –x2 + 4x –4 is:
Question 7
Let L be a normal to the parabola y2 = 4x. If L passes through the point (9, 6), then L is NOT given by
Question 8
The eccentricity of the hyperbola whose length of the latus rectum is equal to 8 and the length of its conjugate axis is equal to half of the distance between its focii, is
Question 9
Question 10
If e1 is the eccentricity of the ellipse and e2 is the eccentricity of the hyperbola passing through the foci of the ellipse and e1e2 = 1, then equation of the hyperbola is:
Question 11
If a hyperbola passes through the point and has foci at . Then the tangent to this hyperbola at P also passes through the point:
Question 12
The eccentricity of an ellipse whose centre is at the origin is 1/2, If one of its directrix is x=−4, then the equation of the normal to it at (1, 3/2) is:
Question 13
The area (in sq. units) of the quadrilateral formed by the tangents at the points of the latera recta to the ellipse = 1, is
Question 14
The locus of the foot of perpendicular drawn from the centre of the ellipse x2 + 3y2 = 6 on any tangent to it is
Question 15
Tangents are drawn to the hyperbola 4x2 - y2 = 36 at the points P and Q. If these tangents intersect at the point T(0, 3) then the area (in sq. units) of ΔPTQ is :
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Feb 8JEE & BITSAT