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If the circle x^2 + y^2 + ( 3 + sin beta...

If the circle `x^2 + y^2 + ( 3 + sin beta) x + 2 cos alpha y = 0` and `x^2 + y^2 + 2 cos alpha x + 2 c y = 0` touch each other, then the maximum value of c is

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CENGAGE ENGLISH-CONIC SECTIONS-All Questions
  1. If two perpendicular tangents can be drawn from the origin to the c...

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  2. Let A(−4,0), B(4,0) & C(x,y) be points on the circle x^2 + y^2 = 16 su...

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  3. If the circle x^2 + y^2 + ( 3 + sin beta) x + 2 cos alpha y = 0 and x...

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  4. A tangent at a point on the circle x^2+y^2=a^2 intersects a concentric...

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  5. Tangent are drawn to the circle x^2+y^2=1 at the points where it is me...

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  6. From the points (3, 4), chords are drawn to the circle x^2+y^2-4x=0 ....

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  7. The angles at which the circles (x-1)^2+y^2=10a n dx^2+(y-2)^2=5 inte...

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  8. Two circles of radii 4cm and 1cm touch each other externally and theta...

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  9. The locus of the midpoints of the chords of the circle x^2+y^2-a x-b y...

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  10. A is a point (a, b) in the first quadrant. If the two circIes which pa...

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  11. The number of common tangent(s) to the circles x^2+y^2+2x+8y-23=0 and ...

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  12. If the tangents are drawn from any point on the line x+y=3 to the circ...

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  13. If the radius of the circumcircle of the triangle TPQ, where PQ is ch...

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  14. If the radius of the circumcircle of the triangle TPQ, where PQ is ch...

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  15. The equation of the locus of the middle point of a chord of the circle...

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  16. Two circles C1a n dC2 intersect at two distinct points Pa n dQ in a li...

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  17. The two points A and B in a plane are such that for all points P lies ...

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  18. The points of intersection of the line 4x-3y-10=0 and the circle x^2+y...

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  19. If the lines 3x-4y+4=0 and 6x-8y-7=0 are tangents to a circle, then fi...

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  20. find the area of the quadrilateral formed by a pair of tangents from t...

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