If A is an m×n matrix with (i, j)-entry aij , let A† be the n×m matrix with (i, j)-entry
aji. Show that
(i) if the product C = AB is defined, then so is B†A†,
(ii) B†A† = C†.
Maths assignments are intended to be done by you alone. You are allowed to talk to other people doing the course, however we can't help you do the questions. As such I have closed this thread.