The matrix I is its own inverse, since I•I=I 1. Find two second order matrices (other than I) that have this property. 2. If A=A^-1, show that det A = +/-1. Any suggestions? Thanks, Newt
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Hello, Try : 10 01 01 10
2. If A=A^-1, show that det A = +/-1. Any suggestions? Thanks, therefore if:
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