Question: (5) Show, by presenting a conrete instance, that the following simple greedy approach for the matrix chain multiplication problem does not always find an optimal

(5) Show, by presenting a conrete instance, that the following simple "greedy" approach for the matrix chain multiplication problem does not always find an optimal solution. Always split a subproblem A,Ai Ak+i Aj by selecting k, is k sj -1, that minimizes pi-1PkP .A, into two subproblems A,. Ak and

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