斐波那契序列包括所有步骤的第n个项公式差异等式| Nth term formula for the Fibonacci Sequence, (all steps 38 0 2022-09-25 08:48:51 您当前的浏览器不支持 HTML5 播放器 请更换浏览器再试试哦~1 投币 收藏 分享https://www.youtube.com/watch?v=A5tBvxDM9V4 知识 校园学习 数学 blackpenredpen大...
The sum of the first 5 terms S5 is _. A. 25 B. 30 C. 35 D. 40 相关知识点: 试题来源: 解析 A。解析:先根据通项公式求出前5项分别为1,3,5,7,9,再求它们的和为1 + 3 + 5 + 7 + 9 = 25。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 ...
The nth term of sequence X is an + b The nth term of sequence Y is bn + a Show that the sequences have the same first term.The 2nd term of sequence X is equal to the 3rd term of sequence Y.Show that a= 2b Prove that nth term of sequence X2n+1n th term of sequence Y ...
百度试题 结果1 题目The nth term of a sequence is 3n^2-1a) Find the second term of the sequence.b) Find the fifth term of the sequence. 相关知识点: 试题来源: 解析 a) 12b) 75 反馈 收藏
1 (a) Find the next term and the nth term in each of the following sequences.(i)4,8,12,16,20,...24next term =nth term=4n final answer[2](ii)-1.-3,-5.-7,-9,...-11next term =--nth term =-2n-1 oe final answer[3](iii) 3. 12, 27, 48. 75...108next term=3 oe...
百度试题 结果1 题目Write down in terms of n, an expression for the nth term of the following sequences:a) 4, 1, -2, -5, -8b) -7, -12, -17, -22 -27 相关知识点: 试题来源: 解析 a) 7-3nb) -2-5n 反馈 收藏
百度试题 结果1 题目 (c) The nth term of a sequence is n-3.Find the first four terms of this sequence.2.1.0.1...[2] 相关知识点: 试题来源: 解析 2,1,0,1B1 for 3 correct no extras 反馈 收藏
结果1 题目Find the nth term of this sequence: 2, 4, 8, 16,... 相关知识点: 试题来源: 解析 Notice each term doubles the previous one. This type of sequence is called an exponential sequence.The nth term is t=2^n. 反馈 收藏
12 (a) The nth term of a sequence is 60-8n.Find the largest number in this sequence.52...[1](b) Here are the first five terms of a different sequence.121926 3340Find an expression for the nth term of this sequence.7n+5 oe final answer 相关知识点: 试题来源: 解析 527n+5 o...
6 (a) The nth term of a sequence is n^2+3n .Find the first three terms of this sequence.4 10 18...[2](b) These are the first five terms of a different sequence.25 18 11 4-3Find the nth term of this sequence.32-7n...[2] 相关知识点: 试题来源: 解析 4101832-7n(a...