Question: 1. Consider $left[begin{array}{rr}1 & -3 12 & 6 7 & -3 3& 4end{array} ight]left[begin{array}{1}x_{1} x_{2} end{array} ight] equivleft[begin{array}{1}1 3 2 1 end{array} ight]$ Find

$1. Consider $\left[\begin{array}{rr}1 & -3 12 & 6 7 & -3$

1. Consider $\left[\begin{array}{rr}1 & -3 12 & 6 7 & -3 3& 4\end{array} ight]\left[\begin{array}{1}x_{1} \ x_{2} \end{array} ight] \equiv\left[\begin{array}{1}1 3 2 1 \end{array} ight]$ Find the least squares solution of this $5 y_{s}$. tem. Take advantage of the fact that the Iwo columns in the cocfficient matrix are mutually orthogonal. CS.VS. 1591||

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