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Mathematics
Mathematics
Problem
Let
P
⃗
=
2
i
^
+
3
k
^
\vec P = 2\hat i + 3\hat k
P
=
2
i
^
+
3
k
^
and
Q
⃗
=
4
j
^
−
k
^
\vec Q = 4\hat j - \hat k
Q
=
4
j
^
−
k
^
. The
i
^
\hat i
i
^
component of the vector product
P
⃗
×
Q
⃗
\vec P \times \vec Q
P
×
Q
is a)
12
12
12
b)
8
8
8
c)
−
12
-12
−
12
d)
−
8
-8
−
8
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