Question

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f(1) = 1
f(2)= 2
(f(n) = f(n − 2) + f(n-1)
f(3) =

Answer 1

f(3) = 3

Explanation:

(1) = 1

f(2)= 2

(f(n) = f(n − 2) + f(n-1)

f(3) =f(3 − 2) + f(3-1)

= f(1) + f(2)

= 1 + 2

= 3