Let T1 : V V and T2 : V V be linear transformations and suppose that T2 is onto. If
Chapter 6, Problem 46(choose chapter or problem)
Let T1 : V V and T2 : V V be linear transformations and suppose that T2 is onto. If (T1T2)(v) = v for all v in V, prove that (T2T1)(v) = v for all v in V.
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