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Mathematics
OpenStudy (anonymous):

its about elementary row operation. please help me to solve tis equation. consider A=[312] [212] [625] by applying elementary row operation (ero) to an augmented matrix, obtain the inverse of A. thanks...............its urgent..........

OpenStudy (anonymous):

if it is really urgent the answer is at the bottom of the link http://www.wolframalpha.com/input/?i= {3%2C1%2C2}%2C{2%2C1%2C2}%2C{6%2C2%2C5}

OpenStudy (anonymous):

have to copy and paste

OpenStudy (amistre64):

You have to augment it next to the identity matrix and row reduce it to obtain an inverse

OpenStudy (amistre64):

if one exists

OpenStudy (amistre64):

now, is your question about what elementary row operations are and how to use them?

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