I need help with proving fibonacci sequeces where (Headbang) :

f(2n-1)=f^2(n)+f^2(n-1)

and also

sum f^2(i)=f(n)*f(n+1)

please help thank you.

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- Sep 30th 2009, 10:12 AMshawki10fibonacci sequence proofs
I need help with proving fibonacci sequeces where (Headbang) :

f(2n-1)=f^2(n)+f^2(n-1)

and also

sum f^2(i)=f(n)*f(n+1)

please help thank you.