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Given u =(√3,-1) and v= (3,-4), what is u. v? O-4√3-3 O-4√3+3 O 3√3-4 3√3+4

Given u =(√3,-1) and v= (3,-4), what is u. v? O-4√3-3 O-4√3+3 O 3√3-4 3√3+4
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Given u =(√3,-1) and v= (3,-4), what is u. v?
O-4√3-3
O-4√3+3
O 3√3-4
3√3+4

asked
User Steve Hynding
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1 Answer

5 votes


u=(√(3)~~,~-1)\hspace{5em}v=(3~~,~-4) \\\\\\ u\cdot v\implies (√(3)\cdot 3)~~ + ~~(-1\cdot -4)\implies \stackrel{ \textit{dot product} }{3√(3)+4}

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User Zviadi
by
8.8k points
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