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GUJCET 2020 Math Solved Paper

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Question : 39 of 40
 
Marks: +1, -0
If
→
a
=2
⋀
i
−
⋀
j
+k,
→
b
=
⋀
i
+
⋀
j
−2k,
→
c
=
⋀
i
+3
⋀
j
−k, if
→
a
is perpendicular to λ
→
b
+
→
c
, then the value of λ is ––––––––.
Validate
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