問題詳情
2(10%) Let a1± = 1 and an+1 =
【題組】(a) Show that an is monotone increasing (by induction).
【題組】(a) Show that an is monotone increasing (by induction).
參考答案
答案：A
難度：簡單0.777286
統計：A(527),B(26),C(58),D(11),E(0)
難度：簡單0.777286
統計：A(527),B(26),C(58),D(11),E(0)
用户評論
【Fang Liang】評論
公式 T=10Z+50(標準差10,平均數50), 70=10Z+50 ,Z=+2,所以為正兩個標準差!
【小兔兔】評論
請問怎麼看???