QR factorization of $$$\left[\begin{array}{ccccc}1 & 3 & 2 & 10 & 2\\2 & 4 & 2 & 14 & 5\\-1 & -2 & -1 & -7 & 3\\0 & 1 & 1 & 3 & 2\\4 & 1 & -3 & 7 & 5\end{array}\right]$$$
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Find the QR factorization of $$$\left[\begin{array}{ccccc}1 & 3 & 2 & 10 & 2\\2 & 4 & 2 & 14 & 5\\-1 & -2 & -1 & -7 & 3\\0 & 1 & 1 & 3 & 2\\4 & 1 & -3 & 7 & 5\end{array}\right]$$$.