The equation of the diameter of the circ...

The equation of the diameter of the circle `x^(2)+y^(2)+2x-4y` that is parallel `3x+5y=4` is :

A

`3x+5y=7`

B

`3x+5y=-7`

C

`3x-5y=7`

D

`3x-5y=-7`

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The correct Answer is:

A

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