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Mathematics
Problem
Two vectors are given by
P
⃗
=
k
i
^
+
3
j
^
−
6
k
^
\vec P = k\hat i + 3\hat j - 6\hat k
P
=
k
i
^
+
3
j
^
−
6
k
^
and
Q
⃗
=
2
i
^
+
6
j
^
−
12
k
^
\vec Q = 2\hat i + 6\hat j - 12\hat k
Q
=
2
i
^
+
6
j
^
−
12
k
^
. For what value of
k
k
k
are the two vectors parallel? a)
0.5
0.5
0.5
b)
2
2
2
c)
1
1
1
d)
−
1
-1
−
1
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