Mathematics, 14.07.2019 22:30, gordonandrea313
Can some me with this matrix problem. use the given matrix to perform the required row operations
Answers: 1
![b.\\\left[\begin{array}{ccc}1&3&11\\-2&8&-12\\3&11&40\\\end{array}\right] \xrightarrow{-\frac{1}{2}R_2}\left[\begin{array}{ccc}1&3&11\\1&-4&6\\3&11&40\\\end{array}\right] \\\\-\frac{1}{2}[-2\ 8\ -12]=[1\ -4\ 6]](/tpl/images/0090/2048/124bc.png)
![c.\\\\\left[\begin{array}{ccc}1&3&11\\-2&8&-12\\3&11&40\\\end{array}\right]\xrightarrow{2R_1+R_2}\left[\begin{array}{ccc}1&3&11\\0&14&10\\3&11&40\\\end{array}\right] \\\\2R_1\to2[1\ 3\ 11]=[2\ 6\ 22]\\2R_1+R_2=[2\ 6\ 22]+[-2\ 8\ -12]=[0\ 14\ 10]](/tpl/images/0090/2048/6707c.png)
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Can some me with this matrix problem. use the given matrix to perform the required row operations...
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