Vector Algebra Part 1

Section: Mathematics
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Question : 31 of 100
 
Marks: +1, -0
Let
→
a
=
^
i
−
^
2
j
+
^
k
and
→
b
=
^
i
−
^
j
+
^
k
be two vectors. If
→
c
is a vector such that
→
b
×
→
c
=
→
b
×
→
a
and
→
c
.
→
a
=0
, then
→
c
.
→
b
is equal to
[8 Jan 2020 Shift 2]
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