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OpenStudy (anonymous):
Find a ⋅ b. a = 4i - 4j, b = 4i + 5j
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OpenStudy (anonymous):
The product of a * b = -4
OpenStudy (anonymous):
is it the i complex?
OpenStudy (anonymous):
Thank you!!
OpenStudy (anonymous):
so it is scalar product! u right @Zelda.
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