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OpenStudy (anonymous):
Write the series in summation notation, using the symbol ∑ and appropriate indices, Do NOT find the indicated sum. 9+13+17+21+25 (I need to find the top and bottom number of ∑)
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OpenStudy (anonymous):
first term = 9 difference = +4 Tn = a +(n-1)d = 9 +4(n-1) = 4n +5 so its the sum of (4n+5) from n=1 to 5
OpenStudy (anonymous):
\[\sum_{n=1}^{5} ( 4n+5) \]
OpenStudy (anonymous):
wow u guys are incredible... thank you...!!!
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