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If the circel x ^(2) +y^(2) +6x -2y +k=0...

If the circel `x ^(2) +y^(2) +6x -2y +k=0` bisects the circumference of the circel `x ^(2) +y^(2) +2x -6y-15=0,` then the value of k is-

A

21

B

`-21`

C

23

D

`-23`

Text Solution

Verified by Experts

The correct Answer is:
D
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CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 2
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  2. In three dimensional spaces, the perpendicular distance of the point p...

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  3. If the circel x ^(2) +y^(2) +6x -2y +k=0 bisects the circumference of ...

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  4. The lines 4x+4y =1,8x -3y =2 and y=0 are-

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  5. If the distrance of a point on the ellipse 4x^(2) +9y^(2) =36 from its...

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  6. Locus of centroid of the triangle whose vertices are (a cos t , a sin ...

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  7. The image of the point (4, -3) with respect to the line x-y=0 is,

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  8. A straight line through the origin O meets the parallel lines 4x +2y=9...

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  9. If a+b+c=0, then the straight lines 4ax + 3by+c=0 always pass through ...

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  10. In three dimensional space the equation of xy-plane is-

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  11. If (x(i), (1)/(x(i)))(i =1,2,3,4) are the four distinct points on a ci...

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  12. Equation of the circle which passes through the points of intersection...

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  13. If the chord u=mx +1 of the circel x ^(2) +y^(2)=1 subtends an angle o...

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  14. In a class of 30 pupils, 12 take mathematics, 16 take physics and 18 l...

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  15. If a ne 0 and the line 2 bx +3 cy +4d=0 passes through the points of i...

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  16. Solve : (5^x)/(5^y)=25, (4^y)/(2^x)=2

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  17. Any point on the hpyerbola ((x+1)^(2))/(16) -((y+2)^(2))/(4)=1 is of t...

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  18. The locus of the point P(x,y) satisfying the relation sqrt((x-3) ^(2)...

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  19. If P (A) is the power set of A= {1,3,5,7} then-

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  20. Let A + {-1,0,1,2,3} and f : A to Z be given by f(x) =x^(2) -5x +7, wh...

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