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Find the equation of the circle which pa...

Find the equation of the circle which passes through the centre of the circle `x^2 + y^2 + 8x + 10y-7 = 0` and is concentric with the circle `2x^2 + 2y^2 - 8x - 12y - 9=0`

A

`(x-4)^(2)+(y-6)^(2)=185`

B

`(x-2)^(2)+(y-3)^(2)=100`

C

`(x-4)^(2)+(y-3)^(2)=128`

D

none

Text Solution

Verified by Experts

The correct Answer is:
B
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