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OpenStudy (anonymous):
help pls! Find a ⋅ b. a = <2, 4>, b = <2, 5>
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OpenStudy (smilewithmehun):
Are the ">" and "<" meant to be parenthesis?
OpenStudy (anonymous):
nope, they're for dot products
OpenStudy (anonymous):
of vectors
OpenStudy (jdoe0001):
\(\bf <a,b>\cdot <c,d>\implies a\cdot c+b\cdot d\)
OpenStudy (anonymous):
so is the answer <4,20> ?
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OpenStudy (anonymous):
lol blaze it
OpenStudy (jdoe0001):
heh
OpenStudy (jdoe0001):
the answer for a dot product is just a number
OpenStudy (anonymous):
oh okay, so 24?
OpenStudy (anonymous):
thanks!
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OpenStudy (jdoe0001):
yw
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