Prove that if A is nonsingular, then AT is nonsingular and (AT ) 1 = (A1)T [Hint: (AB)T
Chapter 1, Problem 16(choose chapter or problem)
Prove that if A is nonsingular, then AT is nonsingular and (AT ) 1 = (A1)T [Hint: (AB)T = BTAT .] 1
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