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Mathematics
Mathematics
Problem
Show that the vectors
a
=
⟨
1
,
−
1
,
0
⟩
\mathbf{a}=\langle 1, -1, 0 \rangle
a
=
⟨
1
,
−
1
,
0
⟩
,
b
=
⟨
1
,
1
,
0
⟩
\mathbf{b}=\langle 1, 1, 0 \rangle
b
=
⟨
1
,
1
,
0
⟩
and
c
=
⟨
0
,
0
,
2
⟩
\mathbf{c}=\langle 0, 0, 2 \rangle
c
=
⟨
0
,
0
,
2
⟩
are mutually perpendicular.
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