Finding the nth term of a sequence is easy given a general equation. But doing it the other way around is a struggle. Finding a general equation for a given sequence requires a lot of thinking and practice, but learning the specific rule guides you in discovering the general equation. In ...
百度试题 结果1 题目Find the general term, , of the geometric sequence that has: and 相关知识点: 试题来源: 解析反馈 收藏
(3) Determine whether −15 is a term of the sequence. Explain your answer. 相关知识点: 试题来源: 解析 (1) a13=10−3(13) =10−39=−29 (2) If an=−71 10−3n=−71 −3n=−81 n=27 (3) If −15 is a term of the sequence, we let an=−15. Then, 10−...
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...
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...
Answer to: For each sequence, find a formula for the general term a(n) of the sequence. ='false' {1,0,-1,0,1,0,-1,0,...} By signing up, you'll get...
百度试题 结果1 题目If the general term of a sequence is given by Tn=5−n3n, find the value of T2−T6 相关知识点: 试题来源: 解析 59 反馈 收藏
Find a formula for the general term, a_n. Assume that the first term in the sequence is a_1: \{\frac{3}{4}, \frac{4}{9}, \frac{5}{16}, \frac{6}{25},... \} Find a formula for the general term a_n of the sequence. Assume that the...
Answer to: Find the limit of the sequence of partial sums whose general term is a_n = {10^n} / {n!}. (a) 10. (b) 0. (c) 1. (d) Does not exist. By...
Clearly define the context of the search tasks. Generally, search tasks are the first step in a larger sequence of tasks. Be clear on why users are searching and what users will do with the results once the item (or item set) is located. If the user has to repetitively process records...