Question 1204899: Use the given vectors to compute
u + v,
u − v,
and
3u − 4v.
u =
1, −2
, v =
8, 9
Answer by MathLover1(20850)   (Show Source):
You can put this solution on YOUR website!
 =< ,  >
 =< ,  >
 =<, > + <,>=< , >=<,  >
 =<, > - <,>=< , >=< ,  >
 = *<, > -  *<,>
=<, > - < , >
=< , >
= < , >
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