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12-05-2017
Mathematics

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Let u = <-6, -2>, v = <-2, 3>. Find -3u + 2v.

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soooobored soooobored

12-05-2017

-3 u +2 v

where
u=< -6,-2>
v=< -2, 3>

-3 u +2 v

-3 * <-6, -2> + 2*<-2, 3>

<-3 *-6 , -3 *-2> + < 2*-2 , 2*3>

<18, 6> + < -4, 6>

<18 + (-4) , 6 +6>

<18-4, 6+6>

<14,12>

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