- #1
Robb
- 225
- 8
- Homework Statement
- Let ##F_n be the n-th Fibonacci number, where F_0=0 and F_1=1. Prove that if n is a multiple of 4, the F_n is a multiple of 3.
- Relevant Equations
- ##F_{4k+4}
Can somebody please explain below
##F_{4k+4} = F_{4k+3} + F_{4k+2}##
I thought it would be
##F_{4k+4} = F_{4k+3} +F_{4k+1}##
Thanks!
##F_{4k+4} = F_{4k+3} + F_{4k+2}##
I thought it would be
##F_{4k+4} = F_{4k+3} +F_{4k+1}##
Thanks!