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JEE Main 30 June 2022 Shift 1 Solved Paper

Section: Mathematics
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Question : 17 of 90
 
Marks: +1, -0
Let a vector
→
c
 be coplanar with the vectors
→
a
=−
^
i
+
^
j
+
^
k
 and
→
b
=2
^
i
+
^
j
−
^
k
. If the vector
→
c
 also satisfies the conditions
→
c
â‹…[(
→
c
+
→
b
)×(
→
a
×
→
b
)]=−42 and (
→
c
×(
→
a
−
→
b
))â‹…
^
k
=3, then the value of
→
|c|
2 is equal to :
[30-Jun-2022-Shift-1]
Validate
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