Question: could you help me could you help me could you help me could you help me 2. Suppose that the sum of the first n

could you help me could you help me could you help me could you help me

2. Suppose that the sum of the first n terms of an arithmetic progression is given by the formula Sn = 4n? - 3n for every n 1. Find the first three terms of the arithmetic progression and its difference. 3. A sequence (an)no is defined recursively by do = 2, a1 = 3 and an = 3an-1 - 2an-2 for n 2 2. (a) Find the first five terms of this sequence. (b) Guess a formula or an. (c) Use strong induction to prove that your formula is correct. (d) Find a formula for an that involves only one preceding term

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