A sequence is an ordered list of numbers. Arithmetic sequences add a constant difference. Geometric sequences multiply by a constant ratio. Fibonacci adds the two previous terms.
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Pro Tips
Arithmetic sequences are linear.
Geometric sequences are exponential.
The Fibonacci sequence appears often in nature.
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Fun Facts
"The ratio of consecutive Fibonacci numbers approximates the Golden Ratio."
Formula: Arithmetic: an = a₁ + (n-1)d | Geometric: an = a₁ × r^(n-1)
