Question: Let 2x 2 + 2y 2 + 2z 2 x + 3y = 0 be equation of a quadric surface. Determine which quadric surface

Let 2x 2 + 2y 2 + 2z 2 − x + 3y = 0 be equation of a quadric surface. 

Determine which quadric surface is this and if it is a sphere find its center and radius.

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