Question: QUESTION 8 Does the vector (1, 1, 1) lie in the two dimensional subspace of Rgenerated by the vectors (11, 71,-49) and (2, 13,-9)? Prove

QUESTION 8 Does the vector (1, 1, 1) lie in the two dimensional subspace of Rgenerated by the vectors (11, 71,-49) and (2, 13,-9)? Prove your answer. Attach File Browse My Computer Browse Course QUESTION 9 Determine a basis for the subspace of 3x3 diagonal matrices with trace equal to zero. Attach File Browse My Computer Browse Course QUESTION 10 Find a QR Factorization of the matrix A. - -1 A= 2 0 2 1 10 [2 -2 -5) NNO

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