Question: Please solve it. n (a) is defined as the number of ways of selecting r distinct objects from a given set of n distinct objects.

Please solve it. n (a) is defined as the number of

Please solve it.

n (a) is defined as the number of ways of selecting r distinct objects from a given set of n distinct objects. From the definition, show that n n (i) [2 marks] n r n n (ii) n + 1 [4 marks] r

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