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If vec(r ) xx vec(a) = vec(b) xx vec(a), vec(r ) xx vec(b) = vec(a) xx vec(b), vec(a) ne vec(0), vec(b) ne vec(0), vec(a) ne lamda vec(b) and vec(a) is not perpendicular to vec(b), then vec(r )= |
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Answer» `VEC(a) - vec(B)` |
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