百度试题 结果1 题目 In Exercises, determine whether the sequence is arithmetic. If so, find the common difference.ln1, ln2, ln3, ln4, ln5, ⋯ 相关知识点: 试题来源: 解析 Not an arithmetic sequence 反馈 收藏
To find the common difference of the arithmetic progression (A.P) where the nth term is given by the formula an=5n−2, we can follow these steps: 1. Identify the nth term: The nth term of the A.P is given as: an=5n−2 2. Find the (n-1)th term: To find the (n-1...
Determine if the given sequence is an arithmetic sequence. If it is, find the common difference, d. |n| 1| 2| 3| 4 |f(n)| -5| 3| 11| 19 Find the common difference of this arithmetic sequence: a_n = -8 n +14. Determine whether the seque...
First, find the common difference.a_2-a_1=5-(5+k) or -k find the difference between pairs of consecutive termsa_3-a_2=5-k-5 or -k to verify the common difference.The common difference is -k.Add -k to the third term to get the fourth term, and so on.a_4=5-k-k or 5-...
Find the sum of first 200 natural numbers. 03:07 Is 'zero' a term of the Arithmetic Progression 31, 28, 25, ….? Justify... 02:18 In a GP. t(n) = (-1)^(n). 2017. find the common ratio. 01:43 The nth term of an A.P. is 6n+2. Find the common difference. (x in ...
结果1 题目 In Exercise, find the first four terms of the sequence. Determine whether the sequence is arithmetic, and if so, find the common difference.a_n=10(n-1) 相关知识点: 试题来源: 解析 a_1=0 a_2=10 a_3=20 a_4=30 arithmetic; 10 反馈 收藏 ...
Arithmetic or Geometric sequenceArithmetic sequenceA sequence of numbers in which the difference between two successive numbers is always constant and this constant difference is known as the common difference (d). The common difference d=a2−a1=a3−a2=a4−...
Find the common difference and the first term. Video SolutionStruggling With Arithmetic Prog...? Get Allen’s Free Flashcards Free ALLEN Flashcards Text SolutionVerified by Experts The correct Answer is:d=−4 and the first term is 15 Show More ...
Find the sum of the first 20 terms of the arithmetic sequence where the first term is 3 and the common difference is 4. A. 780 B. 790 C. 800 D. 810 相关知识点: 试题来源: 解析 C。解析:使用等差数列求和公式 Sn = n(a1 + an)/2,先求出第 20 项为 79,再计算可得和为 800。
Find the common difference and write the next four terms of each of the following arithmetic progressions:1,−2,−5,−8,(ii)0,−3,−6,−9, View Solution View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class...