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The chords of contact of the pair of tan...

The chords of contact of the pair of tangents drawn from each point on the line `2x + y=4` to the circle `x^2 + y^2=1` pass through the point (h,k) then 4(h+k) is

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CENGAGE PUBLICATION-CONIC SECTIONS-All Questions
  1. The intercept on the line y = x by the circle x^2+y^2-2x=0 is AB. Equ...

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  2. The equation of the locus of the mid-points of chords of the circle 4...

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  3. The chords of contact of the pair of tangents drawn from each point on...

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  4. The circle x^2+y^2-4x-4y+4=0 is inscribed in a triangle which has two ...

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  5. Let a given line L1 intersect the X and Y axes at P and Q respectively...

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  6. Lines 5x + 12y - 10 = 0 and 5x - 12y - 40 = 0 touch a circle C1 of dia...

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  7. On the line segment joining (1, 0) and (3, 0) , an equilateral triangl...

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  8. From a point R(5,8) , two tangents R Pa n dR Q are drawn to a given ci...

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  9. Find the equations of the circles passing through the point (-4,3) and...

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  10. Let A be the centre of the circle x^2+y^2-2x-4y-20=0 Suppose that the ...

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  11. If r1and r2 are the radii of smallest and largest circles which passes...

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  12. From an arbitrary point P on the circle x^2+y^2=9 , tangents are drawn...

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  13. If C1: x^2+y^2=(3+2sqrt(2))^2 is a circle and P A and P B are a pair o...

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  14. The minimum radius of the circle which is orthogonal with both the c...

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  15. If a circle of radius r is touching the lines x^2-4x y+y^2=0 in the ...

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  16. Suppose a x+b y+c=0 , where a ,ba n dc are in A P be normal to a fa...

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  17. Two circles of radii a and b touching each other externally, are inscr...

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  18. Let C be any circle with centre (0,sqrt(2))dot Prove that at most two ...

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  19. Let a circle be given by 2x(x-a)+y(2y-b)=0,(a!=0,b!=0) . Find the cond...

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  20. Consider a family of circles passing through the points (3, 7) and (6,...

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