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Let the line segment joining the centres of the circles `x^(2)-2x+y^(2)=0` and `x^(2)+y^(2)+4x+8y+16=0` intersect the circles at P and Q respectively. Then the equation of the circle with PQ as its diameter is

A

`5x^(2) + 5y ^(2) -2x - 16 y +8=0`

B

`5x ^(2) + 5y ^(2)-8x -24 y + 27=0`

C

`5x ^(2) + 5y ^(2) + 8x + 24y+ 27 =0`

D

`5x ^(2) + 5y ^(2) + 2x + 16 y + 8=0`

Text Solution

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The correct Answer is:
D
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TARGET PUBLICATION-CIRCLE AND CONICS -COMPETITIVE THINKING
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  12. Focus and directrix of the parabola x ^(2) =-8ay are

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