vertex of the parabola 9x^2-6x + 36y + 9...

vertex of the parabola `9x^2-6x + 36y + 9 = 0` is

A

`((1)/(3), -(2)/(9))`

B

`((-1)/(3), (-1)/(2))`

C

`((-1)/(3), (1)/(2))`

D

`((1)/(3), (1)/(2))`

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The correct Answer is:

A

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