Question: Consider the sequence 15, 11, 7, 3, (a) Write a recursive formula of the sequence. (1 Mark) (b) Hence find the non-recursive formula (1 Mark)

Consider the sequence 15, 11, 7, 3, (a) Write a recursive formula of the sequence. (1 Mark) (b) Hence find the non-recursive formula (1 Mark) (C) Prove the non-recursive formula by using the recursive formula and induction. (3 Marks) A- B I EE U S X2 x? * 5 >

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