Find the first five terms and the 100th term of the sequence defined by each formula (-1)" (a) an = 2n –1 (b) Cn = n² –1 (c) tn = (d) rn n+1 2n Solution : To find the first five terms, we substitute n = 1, 2, 3, 4, and 5 in the formula for t nth term To find the 100th term we substitute n 100 This gives the following

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A:

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