Sequences & Series (id: 636bc6dd6)

admin · 发表于 2024-6-1 13:58:46

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 geometr7sn++/ 0ds gkwn mv+q-h:joueic sequenrc(7 k0+f77cz5o: p*potin rh/lcfvpce are

u_{1} = 0.8, u_{2} = 2.4, u_{3} = 7.2

.
1. Find the value of the common ratio, r .
2. Find the value of

S_{8}

.
3. Find the least value of n such that

S_{n} > 35000

.

参考答案:
空格1: 3±2% 空格2: 2624±2% 空格3: 11±2%

本题详细解析:
data/attachment/exam/2406/01/2406010158428802.png

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