Question

f(x)=f(x-1) +f(x+1) . if f(3)=2 and f(1) =0, Find the value of f(40)​

Answer 1

Answer:80

Step-by-step explanation:f(x) =f(x-1)+(x+1)

When f(x) =f(40)

Then,

F(40)=(40-1)+(40+1)

F(40)=39+41

F(40)=80.

If I'm wrong please endeavor to correct.