Solved: In Exercises 6570, let {an} = -5, 10, -20, 40,c, {bn} = 10, -5, -20, -35, c, and
Chapter 11, Problem 68(choose chapter or problem)
In Exercises 6570, let {an} = -5, 10, -20, 40,c, {bn} = 10, -5, -20, -35, c, and {cn} = -2, 1, -1 2, 1 4 , .cFind the difference between the sum of the first 11 termsof {an} and the sum of the first 11 terms of {bn}.
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