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JEE Mains 8-Apr-2023 Shift 2 Solved Paper

Section: Mathematics
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Question : 12 of 90
 
Marks: +1, -0
Let the vectors
→
u
1=
^
i
+
^
j
+a
^
k
,
→
µ
2=
^
i
+b
^
j
+
^
k
 and
→
u
3=c
^
i
+
^
j
+
^
k
 be coplanar. If the vectors
→
v
1=(a+b)
^
i
+cj+ck,
→
v
2=a
^
i
+(b+c)
^
j
+ak‌
^
k
 and
→
v
3=b
^
i
+b
^
j
+(c+a)
^
k
 are also coplanar, then 6(a+b+c) is equal to
[8-Apr-2023 shift 2]
Validate
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