Question: 1. (3+3+2+2=10 points) Let W = Span {(1, 2, -1, 0), (0, -1, 1, 1), (1, 0, 1, 2) } CRA. (a) Find a basis

1. (3+3+2+2=10 points) Let W = Span {(1, 2, -1, 0), (0, -1, 1, 1), (1, 0, 1, 2) } CRA. (a) Find a basis for W. (b) Find a basis for WI. (c) Find an orthonormal basis for W. (d) Find an orthonormal basis for WI

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