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Clearnote
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Senior High
Mathematics
後面怎麼寫啊啊啊🙏 我卡住了🙂
Mathematics
Senior High
about 1 yearago
젱진슈.
後面怎麼寫啊啊啊🙏 我卡住了🙂
【配合課本例10】 例題12 使用數學歸納法證明:對於所有的正整數n,an=3"+7"-2恆為8的倍數。 解 A:3' + 7-2.8 盒果睞,嫚擊果 ∴為8的倍數 ∴ 成立 中午 (2)當n=K時成立 ax: 3x+7K-2: 8t GK = = 則當n=K+1時 Ak+1=3K+1+7K+1_2 食果 (a) 權(d)
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