Then the third term a3 is _. A. 4 B. 3 C. 2 D. 1 相关知识点: 试题来源: 解析 A。解析:将n = 3代入通项公式an = n² - 2n + 1,得到a3 = 3² - 2×3 + 1 = 9 - 6 + 1 = 4。B选项计算错误,C选项计算错误,D选项计算错误。反馈 收藏 ...
英语翻译这句子是The n(th) term of a number sequence is given by formula n2-1 n(th)是n的某一次方,n(2
A. the first term B. the number of terms C. the common difference D. the \(n\)th term 相关知识点: 试题来源: 解析 C。中文解析:根据文章内容,公式中\(d\)是 common difference(公差)。反馈 收藏
How do you find the general term of a sequence? To find the general term of a sequence use the general term formula. The general term formula is: subtracting 1 from the desired term number, multiplying that by the common difference, then adding that result to the first term in the sequ...
Complete each sequence by filling in the missing numbers and the nth term formula in the table below.n1234567895n+271217222732 71013161922 答案 37;42;47;3n+4;25;28;31相关推荐 1Complete each sequence by filling in the missing numbers and the nth term formula in the table below.n1234567895n...
英语翻译这句子是The n(th) term of a number sequence is given by formula n2-1 n(th)是n的某一次方,n(2)是n的2次方
In a certain sequence, the term xn is given by the formula xn=2xn−1−12(xn−2) for all n≥ 2. If x0 = 3 and x1 = 2, what is the value of x3 ? A、2.5 B、3.125 C、4 D、5 E、6.75 答案:C 专业教师答疑 问题:请问老师这道题怎么解 查看答疑 扫我提问哦!
The sequence a,a+d,a+2d,a+3d,⋯ is known as an arithmetic sequence. In this sequence, a is the first term and d is a common difference. If the first term and the common difference are known to us, we can find the nth terms of the sequence also...
Steps in Finding the General Formula of Arithmetic and Geometric Sequences 1. Create a table with headings n and anwhere n denotes the set of consecutive positive integers, and anrepresents the term corresponding to the positive integers. You may pick only the first five terms of the sequence...
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...