Precalculus Examples

$\sum_{i = 512}^{6} i \cdot \frac{1}{4}$

Step 1

Simplify the summation.

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Step 1.1

Combine $i$ and $\frac{1}{4}$ .

$\frac{i}{4}$

Step 1.2

Rewrite the summation.

$\sum_{i = 512}^{6} \frac{i}{4}$

Step 2

Since the summation's lower limit is greater than the summation's upper limit, it is an empty summation and its value is defined to be zero.

$0$