Find radius and center of sphere. 3x^2 + 3y^2 + 3z^2 + 6x - 6y = 3
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Hello, Originally Posted by magentarita Find radius and center of sphere. 3x^2 + 3y^2 + 3z^2 + 6x - 6y = 3 Do you know what the equation of a sphere is ? Center and radius r. Divide by 3 : Complete the squares for the stuff in the brackets.
Originally Posted by Moo Hello, Do you know what the equation of a sphere is ? Center and radius r. Divide by 3 : Complete the squares for the stuff in the brackets. Very good notes and tips.
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