Mathematics IITU Board 2081
Determine the least squares error in the least square solution of Ax=b, where A = bmatrix 4 & 0 \\ 0 & 2 \\ 1 & 1 bmatrix, x = bmatrix 1 \\ 2 bmatrix, b = bmatrix 2 \\ 0 \\ 1 bmatrix
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