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Find the equation of the circle which cu...

Find the equation of the circle which cuts the following circles orthogonally.
`x^(2)+y^(2)+4x-7=0,2x^(2)+2y^(2)+3x+5y-9=0,x^(2)+y^(2)+y=0`

A

`x^(2) + y^(2) - 4x - 2y - 1= 0`

B

`x^(2) + y^(2) - 4x - 6y - 3 = 0`

C

`x^(2) + y^(2) - 4x - 2y - 3 = 0`

D

`x^(2) + y^(2) - 2x - 4y - 1 = 0 `

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The correct Answer is:
A
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