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OpenStudy (stephanos100):
Find a • b. a = 4i + 8j, b = -2i + 3j?
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OpenStudy (stephanos100):
is it 16? Thank You
OpenStudy (freckles):
multiply first components of both vectors then multiply second components of both vectors then add those results from the two multiplications so I guess you found 16 from doing -8+24 ? looks good then
OpenStudy (stephanos100):
yeah thank you
OpenStudy (freckles):
np
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