Use the properties of summation and the Summation Formulas Theorem to evaluate the sum. Use the summation formulas to evaluate the sum.\\ $\sum_{i=1}^{8} i(i+3)^2$
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Step 1: Apply the Summation Formulas Theorem which states that \sum_{i=1}^{n} i = n(n+1)/2 and \sum_{i=1}^{n} i^2 = n(n+1)(2n+1)/6. Show more…
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