If vec(a) + 2vec(b) + 4 vec(c )= vec(0), then vec(a) xx vec(b) + vec(b – InterviewSolution

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1.	If vec(a) + 2vec(b) + 4 vec(c )= vec(0), then vec(a) xx vec(b) + vec(b) xx vec(c )+ vec(c )xx vec(a)=
Answer» 0 `1(VEC(b) XX vec(C ))` `2(vec(b) xx vec(c ))` `7(vec(b) xx vec(c ))` Answer :D

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