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What is the 8th term of the Fibonacci Sequence?

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Amurobrian18id
The nth term rule for fibonacci sequence is
an = (φⁿ-(1-φ)ⁿ)/√5
Where φ is a golden ratio which is equal to φ = (1+√5)/2

a₈ = (φ⁸-(1-φ)⁸)/√5
a₈ = 21
Therefore, the 8th term of fibonacci sequence is 21