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OpenStudy (lisa123):
Find a-b
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OpenStudy (lisa123):
a=7i-4j, b=4i +3j
OpenStudy (dan815):
when it comes to vector addeition and subtraction, we have to do it component by component
OpenStudy (dan815):
a=7i-4j, b=4i +3j a-b = (7-4)i + (-4-3)j
OpenStudy (dan815):
|dw:1428196646801:dw|
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