Let vectors A=(1,0,-3) ,B=(-2,5,1) and C=(3,1,1), how do you calculate (-A)+B-C?

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Let vectors A=(1,0,-3) ,B=(-2,5,1) and C=(3,1,1), how do you calculate (-A)+B-C?

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Answer 1 · 2015-12-08T21:03:20

$(-6,4,3)$

Explanation:

For vector addition, you simply ad corresponding components separately.
And vector subtraction is defined as $A-B=A+(-B)$ , where $-B$ may be defined as scalar multiplication of every component with $-1$ .

So in this case then

$-A+B-C=(-1-2-3,0+5-1,3+1-1)$

$=(-6,4,3)$

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Let vectors A=(1,0,-3) ,B=(-2,5,1) and C=(3,1,1), how do you calculate (-A)+B-C?

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