Class/Course - Class XII
Subject - Math
Chapter - Three Dimensional Geometry
Attention Class XII standard Aspirants! Just Exam provide a platform to all students who want to make practice for various subject online. We prepare this platform on the base of CBSE. If you want to join our unlimited test series, then please write us at info@justexam.in about your class/course
| Dear User, Kindly login/register to view answer & explanation of each question. Click here to Login/Sign Up. | |
| Q.1 From a point P(λ, λ, λ) perpendiculars PQ and PR are drawn respectively on the lines y = x, z = 1 and y = -x , z = -1. If P is such that ∠QPR is a right angle, then the possible value (s) of λ is (are) | |
| $\sqrt{2}$ | |
| 1 | |
| -1 | |
| $-\sqrt{2}$ | |