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