a. Use recursive relations to calculate |A_(n)| for the
arbitrary integer n.
b. Use the Gauss-Jordan method to find ( A_(3) )^(-1). ( A^(-1)
= ( adj(A) ) / ( |A| ) Method can also be used)
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.. ܢ 0 -1 2 An 2 -1 0 : 0 II -1 2 -1 : 0 0 0 : -1 -1 2 ... TX
.. ܢ 0 -1 2 An 2 -1 0 : 0 II -1 2 -1 : 0 0 0 : -1 -1 2 ... TX
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.. ܢ 0 -1 2 An 2 -1 0 : 0 II -1 2 -1 : 0 0 0 : -1 -1 2 ... TX
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