Suppose V is a subspace of R" and suppose {v1, v2, v3} is a basis of V. Decide if the following sets of vectors are a basis for V: (i) {v2, v1 – 5v3, 2v3} (ii) {v2, v1 – 5v3, 2v3, 302 + 7v3 – v1} (iii) {2v2 – v3, V1}

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