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The locus of the point from which the le...

The locus of the point from which the lengths of the tangents to the circles `x^2+y^2=4` and `2(x^2+y^2)-10 x+3y-2=0` are equal is
(a) a straight line inclined at `pi/4` with the line joining the centers of the circles (b) a circle (c) an ellipse (d)a straight line perpendicular to the line joining the centers of the circles.

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CENGAGE PUBLICATION-CONIC SECTIONS-All Questions
  1. Statement 1 : If the chords of contact of tangents from three points...

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  2. Statement 1 : Circles x^2+y^2=144 and x^2+y^2-6x-8y=0 do not have any ...

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  3. The locus of the point from which the lengths of the tangents to the ...

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  4. The locus of the center of the circle touching the line 2x-y=1 at (1,...

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  5. The distance from the center of the circle x^2+y^2=2x to the common ch...

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  6. The circle passing through (-1, 0) and touching the y - axis at (0, 2)...

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  7. The equation of the circumcircle of an equilateral triangle is x^2+y^2...

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  8. A circle with radius |a| and center on the y-axis slied along it and a...

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  9. If the angle of intersection of the circle x^2+y^2+x+y=0 and x^2+y^2+x...

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  10. The range of values of alpha for which the line 2y=gx+alpha is a norma...

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  11. Consider a circle x^2+y^2+a x+b y+c=0 lying completely in the first q...

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  12. The equation of the circle passing through the point of intersection ...

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  13. The centres of a set of circles, each of radius 3 , lie on the circle ...

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  14. The co-ordinates of two points P and Q are (x1,y1) and (x2,y2) and O i...

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  15. The area of the triangle formed by the positive x-axis, and the normal...

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  16. If the circle C1: x^2 + y^2 = 16 intersects another circle C2 of radiu...

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  17. Let AB be a chord of the circle x^2 + y^2 = r^2 Subtending a right ang...

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  18. Let P Qa n dR S be tangent at the extremities of the diameter P R of a...

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  19. Let A B be chord of contact of the point (5,-5) w.r.t the circle x^2+y...

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  20. If eight distinct points can be found on the curve |x|+|y|=1 such that...

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