Mathematics
Senior High
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この漸化式はどのように解けばいいですか?2枚目は一応

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✨ Best Answer ✨

6ⁿ⁺¹をかけて、6ⁿan=bnと置き換えて
b₋(n+1)=b₋n+(1/3){(1/15)×6+3×6ⁿ⁺¹/5}

階差数列型ですね

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