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JEE Mains 29-Jan-2023 Shift 1 Solved Paper

Section: Mathematics
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Question : 75 of 90
 
Marks: +1, -0
If the vectors
→
a
=λ
^
i
+µ
^
j
+4
^
k
,
→
b
=−2
^
i
+4
^
j
−2
^
k
 and
→
c
=2
^
i
+3
^
j
+
^
k
 are coplanar and the projection of
→
a
 on the vector
→
b
 is √54 units, then the sum of all possible values of λ+µ is equal to
[29-Jan-2023 Shift 1]
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