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Constant Fibonacci
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| // https://www.mathsisfun.com/numbers/golden-ratio.html | |
| // Use Golden Ratio to Find Fibonacci given n is term number | |
| function fibonacci(n) { | |
| return Math.round( | |
| (Math.pow((1 + Math.sqrt(5)) / 2, n) — | |
| Math.pow(-2 / (1 + Math.sqrt(5)), n)) / | |
| Math.sqrt(5) | |
| ); | |
| } |
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