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WBJEE 2020 Physics Solved Paper

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Question : 9 of 40
 
Marks: +1, -0
Consider the vectors
→
A
=
^
i
+
^
j
−
^
k
,
→
B
=2
^
i
−
^
j
+
^
k
,
→
C
=
1
√5
(
^
i
−2
^
j
+2
^
k
). What is the value of
→
C
.(
→
A
×
→
B
) ?
Validate
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