The locus represented by xy + yz = 0 is...

The locus represented by `xy + yz = 0` is

A

perpendicular lines

B

parallel lines

C

parallel lines

D

perpendicular planes

Verified by Experts

`xy+yz=0`
`therefore y(x+z)=0`
`therefore y=0 or x+z=0`
This is a pair of perpendicular planes.

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