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Mathematics
Mathematics
Problem
In Exercises 11 and 12, find (a) a unit vector in the direction of
A
B
→
\overrightarrow{A B}
A
B
and (b) a vector of magnitude 3 in the opposite direction. 12.
A
=
(
3
,
1
)
,
B
=
(
5
,
1
)
A=(3,1), B=(5,1)
A
=
(
3
,
1
)
,
B
=
(
5
,
1
)
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