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OpenStudy (anonymous):
PLEASE HELP WILL GIVE A MEDAL Find the dot product, a • b. a = 6i + 5j, b = -5i + 4j
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OpenStudy (anonymous):
50 <1, 9> -10 <-30, 20>
OpenStudy (jdoe0001):
\(\large \bf <a,b>\cdot <c,d>\implies (a\cdot c)+(b\cdot d)\)
OpenStudy (anonymous):
@jdoe0001 but they dont give it in ordered pair form?
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