Let {\Q} and {\R} be the feet of perpendiculars from the point {\P}( {\a}, {\a}, {\a}) on the lines {\x}= {\y}, {\z}=1 and {\x}=- {\y}, {\z}=-1 respectively. If \angle {\QPR} is a right angle, then 12 {\a}^2 is equal to____ [31-Jan-2024 Shift 1]

Three Dimensional Geometry Part 3

Section: Mathematics

Question : 2 of 100

Marks: +1, -0

Let Q and R be the feet of perpendiculars from the point P(a,a,a) on the lines x=y,z=1 and x=−y, z=−1 respectively. If ∠QPR is a right angle, then 12a2 is equal to____

[31-Jan-2024 Shift 1]

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