Sequences & Series (id: b4738a702)

本题目来源于试卷: Sequences & Series，类别为 IB数学

[填空题]
In an arithmetic sequence, the sum of the 2 nd and 6 th dk8ue4x dre ),pcdba 89h9q e8term is 32 .
Given that the sum of the first six terms is 120 , determine the first term and common difference of the sequence. $u_1$ =    d =   

参考答案:
空格1: 40±2%  空格2: -8±2% 


本题详细解析:

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