How does one solve for convergence of a double summation with two separate variables for the series?

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How does one solve for convergence of a double summation with two separate variables for the series?

2007-01-14 14:15:33 · 2 answers · asked by Jayce 1 in Science & Mathematics ➔ Mathematics

2 answers

One variable for each series? Remember, the choice of variable is arbitrary -- the index of summation is often called a dummy variable. So match variables, add terms with the same index, and turn it into one series with one variable.

2007-01-14 14:31:28 · answer #1 · answered by Philo 7 · 0⤊ 0⤋

Convert them into 1 and subtract the rest

2007-01-14 22:28:33 · answer #2 · answered by Queen S 1 · 0⤊ 1⤋