Asked by masre man

If A and B are vectors such that
A+3B=-3+j & A-B=i-2j
then find A&B?
Answered by Steve
A+3B = -3i+j
A-B = i - 2j
subtract and you get

4B = -4i+3j
B = -i + 3/4 j

A = B+i-2j = (-i+3/4 j)+(i-2j) = 0i - 5/4 j
Answered by masre man
are you sure
Answered by Steve
well, I did check to see that they satisfied the original equations.
Didn't you?
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