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OpenStudy (anonymous):
Evaluate the expression. r = <5, 9, -4>, v = <3, 3, -8>, w = <9, -6, -1> v ⋅ w
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ganeshie8 (ganeshie8):
multiply the corresponding components add them
ganeshie8 (ganeshie8):
v.w = <3, 3, -8> . <9, -6, -1> = (3)(9) + (3)(-6) + (-8)(-1)
ganeshie8 (ganeshie8):
simplify
OpenStudy (anonymous):
i got 17
OpenStudy (anonymous):
wow, thank you
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ganeshie8 (ganeshie8):
17 is \(\large \color{red}{\checkmark }\)
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