Get solution: Usetheformulaforthesumoftherstn integersand/ortheformula for the sum of a
Chapter 5, Problem 5.109(choose chapter or problem)
Usetheformulaforthesumoftherstn integersand/ortheformula for the sum of a geometric sequence to evaluate the sums or to write them in closed form. 3+32 +33 ++3n, wheren is an integer with n 1
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