SOLUTION: someone please help me with this! ive tried a bunch of times and cant figure it out! write each sum using summation notation. Q1) 2 + 5 + 8 + 11 + ... + 29 Q2) 6 - 12 + 24

Algebra ->  Algebra  -> Sequences-and-series -> SOLUTION: someone please help me with this! ive tried a bunch of times and cant figure it out! write each sum using summation notation. Q1) 2 + 5 + 8 + 11 + ... + 29 Q2) 6 - 12 + 24      Log On

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 Algebra: Sequences of numbers, series and how to sum them Solvers Lessons Answers archive Quiz In Depth

 Question 631818: someone please help me with this! ive tried a bunch of times and cant figure it out! write each sum using summation notation. Q1) 2 + 5 + 8 + 11 + ... + 29 Q2) 6 - 12 + 24 - 48 + ... find the first 4 terms and the 8th term of the recursively-defined sequence. Q1) c1 = 2, c2 = -1, and ck+2 = ck + ck+1 for k>0 Answer by ewatrrr(10682)   (Show Source): You can put this solution on YOUR website! ``` Hi, General Summation Notation : {2 + 5 + 8 + 11 + ... + 29} Arithemetic, d = 3 {6 - 12 + 24 - 48 + ...} Geometric, r = (-2) = 2, = -1, and c[k+2] = + c[k+1] for k>0 { 2, -1, 1, 0, 1, 1, 2, 3 } previous two terms added to get the next ```