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If the circles x^2+y^2+2a x+c y+a=0 and ...

If the circles `x^2+y^2+2a x+c y+a=0` and points `Pa n dQ` , then find the values of `a` for which the line `5x+b y-a=0` passes through `Pa n dQdot`

A

Infinitely many value of a

B

Exactly two values of a

C

Exactly one value of a

D

No value of a

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The correct Answer is:
D
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