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Equation of radical axis of the circles ...

Equation of radical axis of the circles `x^(2) + y^(2) - 3x - 4y + 5 = 0` and `2x^(2) + 2y^(2) - 10x - 12y + 12 = 0` is

A

`2x+ 2y- 1= 0`

B

`2x+ 2y+ 1= 0`

C

`x+y+7= 0`

D

`x+y- 7=0`

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The correct Answer is:
A
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