Q. 144.0( 6 Votes )

The Fibo

Answer :


Substituting n = 3, 4, 5 and 6 in an = an-1 + an-2
a3 = a3-1 + a3-2 = a2 + a1 = 1 + 1 = 2
a4 = a4-1 + a4-2 = a3 + a2 = 2 + 1 = 3
a5 = a5-1 + a5-2 = a4 + a3 = 3 + 2 = 5
a6 = a6-1 + a6-2 = a5 + a4 = 5 + 3 = 8
Substituting n = 1

Substituting n = 2, 3, 4 and 5 we get




The required series is 1, 2, 3/2, 5/3 and 8/5.

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