Introduction to 3DHard
Question
If distance of any point from z-axis is thrice its distance from xy-plane, then its locus is-
Options
A.x2 + y2 − 9z2 = 0
B.y2 + z2 − 9x2 = 0
C.x2 − 9y2 + z2 = 0
D.x2 + y2 + z2 = 0
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