aestheticstudya aestheticstudya

31-10-2017
Mathematics

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Parallel, orthogonal, or neither.
u = <-1,3>, v = <-9,-3>
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will give brainliest to whoever gives right answer with work

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WojtekR WojtekR

31-10-2017

Vectors are orthogonal, when dot product [tex]u\cdot v=0[/tex]

[tex]u\cdot v=\langle-1,3\rangle\cdot\langle-9,-3\rangle=(-1)\cdot(-9)+3\cdot(-3)=9-9=0[/tex]

Vectors [tex]u[/tex] and [tex]v[/tex] are orthogonal.

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