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Problems
Mathematics
Mathematics
Problem
Find
∣
a
×
b
∣
|\mathbf{a} \times \mathbf{b}|
∣
a
×
b
∣
, if
a
=
i
^
−
7
j
^
+
7
k
^
\mathbf{a} = \hat{i} - 7\hat{j} + 7\hat{k}
a
=
i
^
−
7
j
^
+
7
k
^
and
b
=
3
i
^
−
2
j
^
−
2
k
^
\mathbf{b} = 3\hat{i} - 2\hat{j} - 2\hat{k}
b
=
3
i
^
−
2
j
^
−
2
k
^
.
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