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2. Evaluate the following sums: 5 (a) (k2 - 2k + 2) k=1 6 (b) E 12 - 1 k=2 Put the following expressions into

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2. Evaluate the following sums: 5 (a) (k2 - 2k + 2) k=1 6 (b) E 12 - 1 k=2 Put the following expressions into sum notation: (c) Itzto + 16 + 25 +... + 100 (d) + 3- 2 + . . + 199 200 Use the formulas n(n + 1) O k = and 2 k=1 n(n + 1)(2n + 1) 6 k=1 to find formulas for the sums (e) (2k - 3). k=1 (f) (312 - 4k + 6). k=1 2 (g) E 6k 6k + 5 n n *= 1

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