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Vector Algebra Part 2

Section: Mathematics
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Question : 71 of 100
 
Marks: +1, -0
SECTION-B
Let
→
a
=
^
i
−α
^
j
+β
^
k
,
→
b
=3
^
i
+β
^
j
−α
^
k
 and
→
c
=−α
^
i
−2
^
j
+
^
k
, where α and β are integers.
If
→
a
.
→
b
=−1 and
→
b
.
→
c
=10, then (
→
a
×
→
b
).
→
c
 is equal to ____ .
[27 Jul 2021 Shift 2]
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