Pre Calculus - Chapter 09 (Discrete Mathematics) Formulas

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7 Terms

1
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arithmetic sequence

An = d (n-1) + A1

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geometric sequence

An = A1 (r)^n-1

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arithmetic series

Sn = n ((A1 + An) / 2)

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geometric series

Sn = (A1 (1 - r^n)) / (1-r)

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if |r| < 1

convergent

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if |r| > 1

divergent

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convergent series

Sn = (A1) / (1-r)