If the first three Fibonacci numbers are given as x, = 1, X2 = 1 and x3 = 2, what is the value of n for which X, + Xn+1 = 55?

asked Jul 14, 2021 202k views

1 vote

If the first three Fibonacci numbers are given as x, = 1, X2 = 1 and x3 = 2,

what is the value of n for which X, + Xn+1 = 55?

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3 votes

Answer:

n=8

Explanation:

Daniel Mora answered Jul 14, 2021

5.0k points

6 votes

Answer:

x8 = 21 and x9 = 34

Explanation:

The Fibonacci numbers are

1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89,...

Hermansc answered Jul 18, 2021

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