Mathematics
Senior High
解き方を押してえ下さい
389
数列 {an} が a=1, an+1=2an+3" (n=1, 2, 3, ……)を満たすとき
[10 大阪府大)
一般項 an を求めよ。
漸化式0 an+1= pantq"
両辺を g"+1で割る。
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