Question

~~~

求詳解

HJ
1. 對於數列(un),已知al-2,3=3且 ant = and ana (n=1,2,…), 09 =
(an)
· =3 12, (
+2
2
3
-
2
Autodo a tatlod
A2 aA; Card
As: asha and
=
=
at asas fondi
a lot ha au parad)
-3-
(aitd) = 0, 0,7 Ch+l)d)

Answer 1

我就是我

.