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Describe the Set of Points in 3-Space Satisfying X²

Question 40

Multiple Choice

Describe the set of points in 3-space satisfying x² + 2y² + 3z² = 4 and z = x + y.

A) two straight lines
B) one straight line
C) an ellipse
D) a parabola
E) a hyperbola
F) none of the above

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