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This function returns the sum of a power series.
SERIESSUM(x, n, m, coeff)
This function has these arguments:
Argument | Description |
|---|---|
x | [Required] Value to evaluate in the power series |
n | [Required] Power to which to raise x |
m | [Required] Step by which to increase n for each term in the series |
coeff | [Required] Set of coefficients for the series (the values of a1, a2, ... ai) |
The power series formula is:

where x, n, and m are the similarly named arguments and a is the coeff argument.
SERIESSUM(34,3,2,A1:A6)
SERIESSUM(12,3,1,B2:B24)