Three Dimensional Geometry — Class 12 Maths Solution

exemplar objective MCQ NCERT,Exemp.Q.35,Page.238
Question

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

  • (a) a pair of perpendicular lines
  • (b) a pair of parallel lines
  • (c) a pair of parallel planes
  • (d) a pair of perpendicular planes ✓ Correct
Step-by-step Solution
Correct answer: option (d)

It is given that, $xy + yz = 0$
$\Rightarrow$ $xy = - yz$
So, a pair of perpendicular planes.

NCERT & Exemplar solution for CBSE Class 12 Mathematics, Three Dimensional Geometry. Curated by Sachin Sharma. Free for all students.