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If vec(a)= 2vec(i) + vec(j)-3vec(k), vec(b)=vec(i) -2vec(j) + vec(k), then a vector of length and perpendicular to both vec(a) and vec(b) is |
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Answer» `+- (5)/(sqrt3) (VEC(i) + vec(j) + vec(k))` |
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