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The locus of a point P(x,y,z) which move...

The locus of a point `P(x,y,z)` which moves in such a way that `z=c` (constant), is a

A

line parallel to z-axis

B

plane parallel to xy-plane

C

line parallel to y-axis

D

line parallel to x-axis

Text Solution

Verified by Experts

The correct Answer is:
B
Since `z=0` represents the xy-plane. Therefore, `z=c` represents a plane parallelto xy-plane.
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