40. Consider the Fibonacci series a0 = 1, a1 = 2,and an = an-1 + an-2 for any n≥ 2. Therefore, we have {an} = {1,2,3,5,8, ...}. The general expression for an as a function of n can be found via the following method; first, definc





答案:E
統計:A:0,B:0,C:0,D:0,E:0
難度:計算中