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The condition that the chord xcos alpha ...

The condition that the chord `xcos alpha +ysin alpha -p=0` of `x^2+y^2-a^2=0` may subtend a right angle at the centre of the circle is

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CENGAGE PUBLICATION-CONIC SECTIONS-All Questions
  1. If the pair of straight lines x ysqrt(3)-x^2=0 is tangent to the circl...

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  2. The locus of the midpoint of a chord of the circle x^2+y^2=4 which sub...

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  3. The condition that the chord xcos alpha +ysin alpha -p=0 of x^2+y^2-a^...

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  4. Let the base A B of a triangle A B C be fixed and the vertex C lies on...

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  5. If the chord of contact of tangents from a point P to a given circle p...

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  6. Statement : Points (1, 1), (2, 3), and (3, 5) are collinear.

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  7. Statement 1 : The number of circles touching lines x+y=1,2x-y=5, and 3...

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  8. The line 2x-y+1=0 is tangent to the circle at the point (2, 5) and the...

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  9. The equation of the chord of the circle x^2+y^2-3x-4y-4=0 , which pas...

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  10. A rhombus is inscribed in the region common to the two circles x^2+y^2...

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  11. In a triangle ABC, right angled at A, on the leg AC as diameter, semic...

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  12. Two congruent circles with centered at (2, 3) and (5, 6) which inter...

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  13. The locus of the center of the circle such that the point (2,3) is t...

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  14. The value of 'c' for which the set {(x, y)|x^2+y^2+2xle1}bigcap{(x, y)...

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  15. A circle of radius unity is centered at thet origin. Two particles tar...

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  16. Two circles with radii a and b touch each other externally such that t...

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  17. Consider: L1:2x+3y+p-3=0 L2:2x+3y+p+3=0 where p is a real number and...

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  18. The straight line 2x - 3y = 1 divides the circular region x^2+y^2le6 i...

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  19. Let A B C D be a quadrilateral with area 18 , side A B parallel to the...

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  20. Consider a family of circle which are passing through the point (-1,1)...

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