Question 15 < Σ > 10 Σ2 = k=1 Question 16 < > Find the partial sum S16 for the arithmetic sequence with a = 6, d = 9.
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Question 16 < > Find the partial sum S16 for the arithmetic sequence with a = 6, d = 9. S16 =
Question 17 > Consider the series 10 - Let Sn be the n-th partial sum; that is, n +3 n=1 10 Sn i +3 Find 84 and so 84 = Sg