Sum of a General Linear Sequence

Rarely Tested

Sum of a General Linear Sequence

## Formula

For:

$$(a+bk)$$

the sum from $k=1$ to $$n$$ is:

$$\sum_{k=1}^{n}(a+bk)=na+b\frac{n(n+1)}2$$

## Usage

- Used to convert sums of linear expressions into standard summation formulas.

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