Question: Question 5 (10 marks). Give a combinatorial argument to prove that TE m.4-1 = C(n,k)- 3*. (n-k). 0 You may consider the scenario that n

Question 5 (10 marks). Give a combinatorial argument to prove that TE m.4"-1 = C(n,k)- 3*. (n-k). 0 You may consider the scenario that n people go to a wine tour by car. One person is the driver who must not drink. The other people can choose one of the 3 alcoholic menus or a non-alcoholic menu. Note that a non-combinatorial proof will receive 0 marks

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