The general term of an of a sequence is −3n+4. (1) Find the 3rd term of the sequence. (2) If ar−a3=−12, find the value of r. 相关知识点: 试题来源: 解析 (1) a3=−3(3)+4 =−5 (2) (−3r+4)−(−5)=−12 r=7 (1)略(2)略...
5. Given the general term formula of sequence { a_n)isina_n=n^2+(λ-(11)/2)n+3. 3.1fλεZ and {an} is an increasing sequence, then the minimum of λ is( B )(A)2.(B)3.(C)4.(D)5. 相关知识点: 试题来源: 解析
百度试题 结果1 题目 In the following exercises, find a general term for the sequence whose first five terms are shown. 相关知识点: 试题来源: 解析 a_n=e^(n+2) 反馈 收藏
The first four terms of a sequence are given: -4, 7, -10, 13 ,... . The general term formula of the sequence is ()A.B.C.D.的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手
common well-being D. profitable decisions 相关知识点: 试题来源: 解析 C 正确答案:C 解析:本题的依据是原文的they must serve the general good in pursuing their economic interests,根据后续提示可知,general good的词义一定与their economic interests相反。因此C项为正确答案。反馈 收藏 ...
Step 1: Identify the first term and the common differenceThe first term a of the sequence is:a=4 Next, we need to find the common difference d. We can calculate it using the first two terms:d=357−4=267−287=−27 Step 2: Write the general term of the arithmetic sequenceThe n...
What are the first four terms in the sequence whose general term is t = 3(−1)? A: 3, 6, 12, 24 B: 0, −3, 3, −3 C: 3, −3, 3, −3 D: 3, −6, 12, −24 相关知识点: 试题来源: 解析 C None 反馈 收藏 ...
百度试题 结果1 题目Find the general term, u_n, of the geometric sequence that has:u_2=-12 and u_7=512 相关知识点: 试题来源: 解析 u_n=18(-4)^(n-1) 反馈 收藏
1. Write down the general term of each of the following sequences in simplest form: So far I have been using guess and check to find the solutions, but it...
百度试题 结果1 题目( )The superordinate term is more general in meaning than its hyponyms. A. 正确 B. 错误 相关知识点: 试题来源: 解析 A 正确答案:A 解析:本题主要考查上义词和下义词的主要区别。上义词比下义词在意义上更具有概括性。反馈 收藏 ...