Sequences & Series (id: b5eb854bc)

本题目来源于试卷: Sequences & Series，类别为 IB数学

[填空题]
The seventh term of ab1pi ) )g.fp9qba2c yqsei i+/n arithmetic seque86m,. fjhn e7x;u.alq gpeva;nce is equal to 1 and the sum of the first 16 terms is 52 . Find the a;u.ehlm;a 8n.6ejqgf x7vp, common difference and the first term. $u_1$ =   

参考答案: -8


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