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Mathematics
Problem
Find a vector of magnitude 7 units that is perpendicular to both the vectors
a
=
2
i
^
−
j
^
+
k
^
\mathbf{a}=2\hat{i}-\hat{j}+\hat{k}
a
=
2
i
^
−
j
^
+
k
^
and
b
=
i
^
+
3
j
^
−
2
k
^
\mathbf{b}=\hat{i}+3\hat{j}-2\hat{k}
b
=
i
^
+
3
j
^
−
2
k
^
. (Any one of the possible directions is acceptable.)
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