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mimiko Group Title

Find two vectors v1 and v2 and whose sum is(3,0,2) , where v1 is parallel to(-4,-2,-4) while v2 is perpendicular to (-4,-2,-4)

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  1. mimiko Group Title
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    helpp !!!!!!!

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  2. mathTalk Group Title
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    v1+v2=(3,03) V1=k(-4,-2,-4) (3+4k,2k,2k+4k).(-4,-2,-4)=0

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    the third line is a dot product which is zero for orthogonal vectors.

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