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C : x^(2) + y^(2) - 2x -2ay - 8 = 0, a i...

`C : x^(2) + y^(2) - 2x -2ay - 8 = 0`, a is a variable
` C represents a family of circles through two fixed points whose co-ordinates are

A

`(-2, 0),(4, 0)`

B

`(2, 0),(4, 0)`

C

`(-4, 0), (4, 0)`

D

`(2, 0),(-4, 0)`

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The correct Answer is:
A
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AAKASH INSTITUTE-CONIC SECTIONS-SECTION -D
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  2. A circle C(1) of radius 2 units rolls o the outerside of the circle C(...

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  3. C : x^(2) + y^(2) - 2x -2ay - 8 = 0, a is a variable C represents...

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  4. Show that equation x^2+y^2-2ay-8=0 represents, for different values o...

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  5. C : x^(2) + y^(2) - 2x -2ay - 8 = 0, a is a variable If the chord ...

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  7. Let C : x^(2) -3, D : y = kx^(2) be two parabolas and L(1) : x a , L...

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  8. Let C : x^(2) -3, D : y = kx^(2) be two parabolas and L(1) : x a , L...

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  9. Let P(1) : y^(2) = 4ax and P(2) : y^(2) =-4ax be two parabolas and L :...

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  10. Let P(1) : y^(2) = 4ax and P(2) : y^(2) =-4ax be two parabolas and L :...

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  11. Let P(1) : y^(2) = 4ax and P(2) : y^(2) =-4ax be two parabolas and L :...

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  12. Let C : x^(2) + y^(2) = 9, E : (x^(2))/(9) + (x^(2))/(4) =1 and L : y...

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  13. Let C : x^(2) + y^(2) = 9, E : (x^(2))/(9) + (x^(2))/(4) =1 and L : y...

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  14. Let C : x^(2) + y^(2) = 9, E : (x^(2))/(9) + (x^(2))/(4) =1 and L : y...

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  15. An ellipse has its centre C(1,3) focus at S( 6, 3) and passing through...

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  16. An ellipse has its centre C(1,3) focus at S( 6, 3) and passing through...

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  17. An ellipse has its centre C(1,3) focus at S( 6, 3) and passing through...

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  18. Let H : x^(2) - y^(2) = 9, P : y^(2) = 4(x - 5), L : x = 9 be three cu...

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