Question: In each part, use the method of Example 4 in Section 1.5 to find and check your result by showing that AA-1 = A-1 A

In each part, use the method of Example 4 in Section 1.5 to find and check your result by showing that AA-1 = A-1 A = I.
(a)
In each part, use the method of Example 4 in

1 1i 0 A=101 -i 1-2i 2

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