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Unformatted text preview: an Arithmetic Sequence Technology On the TI 83, 84 Calculator: 2nd  STAT (list)MATH#5 for Sum 2nd  STAT(list)OPS#5 for Seq Then in parenthese type: (expression, X, lower bound, upper bound, increment) Example 20 1 Find the following sum: 3 7 i i = + ∑ (a) (b) (c) (d) Write the formula for the general term (the nth term) of the arithmetic sequence. Do not use a recursion formula. 3,6,9,12,15,. .. 3 ( 1)3 ( 1)3 3 2 3 3 n n n n a n a n a n a n = +== + = + (a) (b) (c) (d) 16 1 Find the a term when a 20 and d= 3. = 65 68 70 60(a) (b) (c) (d) 6 1 Find the following sum: 2 5 i i =∑ 15 12 6 9...
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 Fall '11
 jayjohn
 Addition, Natural number, ∑

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