In Exercises, use the properties of summation and Theorem 4.2 to evaluate the sum.

Data from in Theorem 4.2

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THEOREM 4.2 Summation Formulas 1. c = cn, c is a constant n(n + 1)(2n + 1) 6 n 3. Στ 2. 4. n n = n(n + 1) 2 = n²(n + 1)² 4 A proof of this theorem is given in Appendix A. See LarsonCalculus.com for Bruce Edwards's video of this proof.