conic-section

Question: Vertex of the parabola $9{{x}^{2}}-6x+36y+9=0$ is



1) $(1/3,\ -2/9)$
2) $(-1/3,\ -1/2)$
3) $(-1/3,\ 1/2)$
4) $(1/3,\ 1/2)$
Solution: Explanation: No Explanation
Parabola

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