Linear algebra is killing me...please help!!!!
4. Recall from lectures that if A and B are matrices with AB defined, then (AB)T=BTAT. Use this property to prove that A is invertible if and only if AT is invertible and, in that case, (A−1)T=(AT)−1.
4. Recall from lectures that if A and B are matrices with AB defined, then (AB)T=BTAT. Use this property to prove that A is invertible if and only if AT is invertible and, in that case, (A−1)T=(AT)−1.
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