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# Formula For Geometric Sequence

Using Algebra to Find the Sums of Sequences Algebra can help you add a series of numbers (the sum of sequences) more quickly than you would be able to with straight addition. Adding integers, squares, cubes, and terms in an arithmetic or geometric sequence is simple with these algebraic formulas:

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Arithmetic and Geometric Sequences and Series Chart

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Here you can see that the entire continent of Africa is one giant Fibonacci spiral.

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Another visual proof, this one showing that one third equals the following infinite series.

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### Arithmetic & Geometric Sequences Reference Sheet

Arithmetic and geometric sequences reference sheet - recursive and explicit formulas with practice

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Derivation of the sum of a geometric sequence formula

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Fourier series - Wikipedia, the free encyclopedia

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### Draw the Golden Spiral

How to Draw the Golden Spiral: 13 Steps (with Pictures) - wikiHow

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