Prove the formula in Prob. 11. Data from Prob. 11 Verify (A 2 ) -1 = (A
Question:
Data from Prob. 11
Verify (A2)-1 = (A-1)2 for A in Prob. 1.
Data from Prob. 1
Find the inverse by GaussJordan (or by (4*) if n = 2). Check by using (1).
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-2.32 1.80 -0.25 0.60
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