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When can you interchange limit and integral?
We can interchange the limits on any definite integral, all that we need to do is tack a minus sign onto the integral when we do. Aaf(x)DX=0 a f (x) d x = 0. If the upper and lower limits are the same then there is no work to do, the integral is zero.
What is the lower limit of summation?
The index of summation is set equal to the lower limit of summation, which is the number used to generate the first term in the series. The number above the sigma, called the upper limit of summation, is the number used to generate the last term in a series.
How do you find the summation index?
The index of summation is set equal to the lower limit of summation, which is the number used to generate the first term in the series. The number above the sigma, called the upper limit of summation, is the number used to generate the last term in a series.
What does double summation mean?
In short, a double summation is a summation inside another summation. It looks like this: The idea behind this is you're doing a sum within a sum, and both indices will be inside the inner sum. For example, let's consider. And its value.
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