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OpenStudy (lolo_rose):
Find v*w if v=-3i+4j-5k and w=3i-2j+3k
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OpenStudy (mrcoolguy):
post in math
OpenStudy (astrophysics):
It's a dot product, so \[v=-3i+4j-5k \] and \[w = 3i-2j+3k\] \[v \cdot w = (-3 \times 3)i +(4 \times -2 ) j + (-5 \times 3)k\]
OpenStudy (astrophysics):
@lolo_rose
OpenStudy (lolo_rose):
thanks!!!
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