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Finite series formulas Practice
Recall finite arithmetic and geometric sum formulas.
Start practicingFinite series formulas
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What you’ll practice
A finite sum has a last term or a specified number of terms. Distinguish it from an infinite geometric series before choosing a formula.
Where this helps
Finding totals of familiar sequences.
Before you start
Use this topic to practice math you have already learned. The examples show the available kinds of recall tasks; this is not a complete textbook chapter. Check the answer form and any stated conditions.
Try a few examples
Real practice. Real progress.
Example 1 of 2
n is a positive integer, a_1 is the first term, and a_n is the nth term of one arithmetic sequence.
Choose the exact expression.
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Start practicingFinite series formulas
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