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JEE Mains 8-Apr-2023 Shift 1 Solved Paper

Section: Mathematics
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Question : 25 of 90
 
Marks: +1, -0
Let
→
a
=6
^
i
+9
^
j
+12
^
k
,
→
b
=α
^
i
+11
^
j
−2
^
k
 and
→
c
 be vectors such that
→
a
×
→
c
−=
→
a
×
→
b
. If
→
a
.
→
c
=−12,
→
c
â‹…(
^
i
−2
^
j
+
^
k
)=5, then
→
c
.(
^
i
+
^
j
+
^
k
) is equal to _______.
[8-Apr-2023 shift 1]
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