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Suppose `a x+b y+c=0` , where `a ,ba n dc` are in `A P` be normal to a family of circles. The equation of the circle of the family intersecting the circle `x^2+y^2-4x-4y-1=0` orthogonally is (a)`x^2+y^2-2x+4y-3=0` (b)`x^2+y^2-2x+4y+3=0` (c)`x^2+y^2+2x+4y+3=0` (d) `x^2+y^2+2x-4y+3=0`

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CENGAGE ENGLISH-CONIC SECTIONS-All Questions
  1. The minimum radius of the circle which is orthogonal with both the c...

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

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

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  5. Let P be any moving point on the circle x^2+y^2-2x=1. A B be the chord...

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  6. C1 and C2 are two concentric circles, the radius of C2 being twice tha...

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

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

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  11. Let xa n dy be real variables satisfying x^2+y^2+8x-10 y-40=0 . Let a=...

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  12. A(1/(sqrt(2)),1/(sqrt(2))) is a point on the circle x^2+y^2=1 and B is...

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  14. Consider the circle x^2+y^2-10x-6y+30=0. Let O be the centre of the ci...

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  15. If the circle x^2+y^2+2a1x+c=0 lies completely inside the circle x^2+y...

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  17. Let A B C be a triangle right-angled at Aa n dS be its circumcircle. L...

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  18. ABCD is a rectangle. A circle passing through vertex C touches the sid...

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  20. The equation of circle of minimum radius which contacts the three circ...

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