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JEE Mains 03-Sep-2020 Shift 2 Solved Paper

Section: Mathematics
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Question : 73 of 75
 
Marks: +1, -0
Let a plane P contain two lines
→
r
=
^
i
+λ(
^
i
+
^
j
), λ∈R and
→
r
=−
^
j
+µ(
^
j
−
^
k
), µ∈R
If Q(α,β,γ) is the foot of the perpendicular drawn from the point M(1,0,1) to P, then 3(α+β+γ) equals _______.
[3 Sep 2020 Shift 2]
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