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Find the inverse of the matrix
\left[ {\begin{array}{*{20}{c}}2&1\\1&{ - 1}\end{array}} \right]
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Question 1
On her birthday, Seema decided to donate some money to children of an orphanage home. If there were children less everyone would have got Rs. more, however if there were children more everyone would have got Rs. less. Using matrix method, find the number of children and the amount distributed by Seema. What values are reflected by the Seema?
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| Question Text | Find the inverse of the matrix |
