已知数列An=a^n+m(a
问题描述:
已知数列An=a^n+m(a
答
a1=2=a+m
a2=4=a²+m
a²-a-2=0;(a-2)(a+1)=0
a
已知数列An=a^n+m(a
a1=2=a+m
a2=4=a²+m
a²-a-2=0;(a-2)(a+1)=0
a