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Solved: Compute each of these double sums.
Chapter 1, Problem 34E(choose chapter or problem)
QUESTION:
Compute each of these double sums.
Questions & Answers
QUESTION:
Compute each of these double sums.
ANSWER:SolutionStep 1In this problem, we have to find the double sum.a)Here, we have to evaluate = (i - 1) + (i - 2) = 2i - 3 = 2i - 3 = 2 i - 3Now we have to evaluate i = 1 + 2 + 3 = 6 and 3 = 3 + 3 + 3 = 9Substitute the value back in a previous equation = 2 i - 3 = 2 * 6 - 9 = 12 - 9 = 3Hence, = 3