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JEE Main 8 Jan 2020 Shift 1 Solved Paper

Section: Mathematics
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Question : 53 of 75
 
Marks: +1, -0
Let the volume of a parallelopiped whose coterminous edges are given by
→
u
=
^
i
+
^
j
+λ
^
k
,
→
v
=
^
i
+
^
j
+3
^
k
 and
→
w
=2
^
i
+
^
j
+
^
k
 be 1 cu. unit. If θ be the angle between the edges
→
u
 and
→
w
, then cosθ can be
[8 Jan 2020 Shift 1]
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