If n is a positive integer greater than 2 and f(n)= (1+ 5)^n2^n, what is f(n+1)-f(n-1) in terms of f(n)?

If n is a positive integer greater than 2 and f(n)= (1+ 5...

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705-805

Functions

If n is a positive integer greater than 2 and

f(n)=\frac{(1+\sqrt{5})^n}{2^n}

, what is

f(n+1)-f(n-1)

in terms of

f(n)

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705-805

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