From a point P(\lambda, \lambda, \lambda), perpendicular PQ and PR are drawn respectively on the lines y = x, z =

### Question Asked by a Student from EXXAMM.com Team

Q 1657145084.     From a point P(\lambda, \lambda, \lambda), perpendicular PQ and PR are drawn respectively on the lines y = x, z =1 and y = -x, z= -1. If P is such that \angleQPR is a right angle, then the possible value(s) of \lambda is(are)
JEE 2014 ADVANCED Paper - 1
A

\sqrt{2}

B

1

C

-1

D

- \sqrt{2}`

#### HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

#### Access free resources including

• 100% free video lectures with detailed notes and examples
• Previous Year Papers
• Mock Tests
• Practices question categorized in topics and 4 levels with detailed solutions
• Syllabus & Pattern Analysis