Sequences & Series (id: 155d04976)

本题目来源于试卷: Sequences & Series，类别为 IB数学

[填空题]
The first three terms of a:n1 v-gkh*obsx a3ss, geo r1y,te 3dj 0k5pvqr yn 1rk8q7mzk4u)metric sequence are $u_{1}=32$, $u_{2}=-16$,$ u_{3}=8$ .
1. Find the value of the common ratio, r .   
2. Find $u_{6}$ . =   
3. Find $S_{\infty}$ . =   

参考答案:
空格1: -1/2  空格2: -1  空格3: 64/3 


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