Question

given f1=1 f2=3 and fn=fn_1+fn_2 then find f3 is​

Answer 1

Answer:

4

Step-by-step explanation:

fn= fn-1 + fn-2

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

f(3)= f(2) +f(1)

f(3)= 3+1

f(3)=4