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OpenStudy (anonymous):
Find a ⋅ b. a = <7, 4>, b = <3, 5>
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OpenStudy (jdoe0001):
http://www.learningaboutelectronics.com/images/Dot-product-of-vectors.png get it?
OpenStudy (anonymous):
no
OpenStudy (jdoe0001):
ok, lemme rewrite it some
OpenStudy (anonymous):
i got it, thank you
OpenStudy (jdoe0001):
hehe, ok :)
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OpenStudy (jdoe0001):
the picture has a "z" coordinate, so it uses addition of 3 correspondents, if you only had x,y, then you'd do only 2 correspondents :)
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