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Let u = <-5, -9>, v = <6, 8>. Find -8u - 2v.

User Bmd
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1 Answer

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Hello,

i and j are unit's vectors.

u=-5i-9j
v=6i+8j
-8u-2v=40i+72j-12i-16j=28i+56j
-8u-2v=<28,56>
User Vengy
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