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The radical axis of the circles x^(2) +...

The radical axis of the circles ` x^(2) + y^(2) + 4x + 8y + 19 = 0 , x^(2) + y^(2) + 8x + 4y + 19 = 0` is

A

x-y = 0

B

` 5x - 9y - 5 =0 `

C

`3y + 1 = 0`

D

x + 10y - 2 = 0

Text Solution

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The correct Answer is:
A
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