Mathematics
Senior High
矢印から解き方がいまいちわからないので手書きで詳しく教えてください
(4) a1=2,n+1=3an-2
+9
antianをCとおく
C=3C-2 -②
C = 1 EAS
①-②
↓
ai-1
(4)
anti-1=3(an-1)
=2-1=1初
(K)
3の等
比
an-1=3
an=3
h-1
h-1
で学.
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