For the following exercises, find the number of terms in the given finite arithmetic sequence$$ a _ { n } = \left\{ 3 , - 4 , - 1 1 , \cdots , - 6 0 \right\} $$ 相关知识点: 试题来源: 解析 There are 10 terms in the sequence. 反馈 收藏
Learn the differences between arithmetic series and arithmetic sequence and discover how the formula for arithmetic series can be applied to real-life scenarios in the Michigan Stadium Solution. Related to this QuestionFind the number of the terms in the A.P 3, 6, 9, 12, . . . . ...
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 5-2ka_5=5-2k-k or 5-3ka_6=...
Step 1: Identify the nth term of the sequence Let's denote the nth term of the sequence asTn. We observe the sequence: -T1=1 -T2=4 -T3=13 -T4=40 -T5=121 Step 2: Find the pattern in the sequence To find a pattern, we can look at the differences between consecutive terms: ...
Answer to: For the sum, find the number of terms, the first term, and the last term. Then evaluate the series. Sum of (5n + 3) from n = 2 to 5 By...
To find the number of terms in the arithmetic progression (A.P.) 7, 10, 13, ..., 31, we can follow these steps:Step 1: Identify the first term and common difference The first term \( a \) of the A.P. is 7. The common difference
80,此數列為等差數列,等差數列之和為首項加尾項乘項數除以2;首項加尾項為,項數為,因此本題答案為82×14÷2=574.结果一 题目 求以下等差數列中所有偶數之總和.Find the sum of all even numbers in the following arithmetic sequence.2,5,8,11,14,17,20,,83 答案 574.相关推荐 1求以下等差數列中所有...
百度试题 结果1 题目Find the nth term of each arithmetic sequence described.a_1=10,d=-5,n=21 相关知识点: 试题来源: 解析 —90 反馈 收藏
Arithmetic Progression Calculator The Arithmetic Progression calculator helps you find terms, sums, and other key values in a sequence where each term increases or decreases by a constant difference. It’s useful for students, teachers, and anyone dealing with number patterns in math, finance, or...
To find the number of terms in a geometric sequence, we use the formula for the nth term of a geometric sequence. This formula states that if a...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...