CUSAT 2022 BTech Solved Paper Shift 4

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Question : 115 of 200
 
Marks: +1, -0
If
→
a
and
→
b
are two non-zero, non-collinear vectors, then
2[
→
a
,
→
b
,
^
i
]
^
i
+2[
→
a
,‌
→
b
,‌
^
j
]
^
j
+2[
→
a
,
→
b
,
^
k
]
^
k
+[
→
a
,
→
b
,
→
a
]
is equal to
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