# Math

posted by
**Sean**
.

prove

f_{2n+1} = f_{n+1}^2 + f_n^2

Where f is the fibonacci sequence (so f_1=1, f_2=1, f_3=2, f_4=3, f_5=5, etc)

posted by
**Sean**
.

prove

f_{2n+1} = f_{n+1}^2 + f_n^2

Where f is the fibonacci sequence (so f_1=1, f_2=1, f_3=2, f_4=3, f_5=5, etc)