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Which of these are cylinders? A.x2 +3y2 + 2z2 = I - B.y= -(2x2 +4) C. 4 cos(4y) = 4z + 4 D. Y2 +3z2
Which of these are cylinders?
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A.x2 +3y2 + 2z2 = I - B.y= -(2x2 +4) C. 4 cos(4y) = 4z + 4 D. Y2 +3z2 = 3 E.4x2 + F. 3x2 3y2 + 3z2 4 G. None of the above.
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