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OpenStudy (anonymous):
Find a ⋅ b. a = 9i + 5j, b = 4i + 3j @hartnn
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OpenStudy (anonymous):
is it 51 or <36, 15>?
hartnn (hartnn):
same formula
hartnn (hartnn):
dot product is always a scalar, never a vector
OpenStudy (anonymous):
so it would be 51, thanks! (:
hartnn (hartnn):
yes, welcome ^_^
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