Sequences & Series (id: 23e9ac6d6)

本题目来源于试卷: Sequences & Series，类别为 IB数学

[填空题]
An arithmetic sequence h)k*l*d0vgyj5pw 1e df as7(wlbm *qoet 9dvr)k 4 $u_{1}=40, u_{2}=32, u_{3}=24$ .
1. Find the common difference, d .   
2. Find $u_{8}$ .   
3. Find $S_{8}$ .   

参考答案:
空格1: -8±2%  空格2: -16±2%  空格3: 96±2% 


本题详细解析:

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