Find the number of terms 1)2+4+8+.+512 和 2)8/81-4/27+2/9-.1又11/16好像要用到 n th term=ar n-1 (n-1在r的右上方 就是平方的位置) 第一个答案得9 第二个得8 因为上次没去听课 我在国外 这里老师讲的也不是很清楚 答案 1)找规律2=2^1(这里的^1表示一次方,下面表示...
百度试题 结果1 题目11. Find the number of terms in the arithmetic progression -20, -17, -14, ..., 223 . 相关知识点: 试题来源: 解析 82 反馈 收藏
To solve the problem step by step, we will break it down into two parts: finding the number of terms in the given arithmetic progression (A.P.) and then calculating the sum of the modified A.P. after adding 1 to each term.Step 1: Identi
the sum of which is 300. Explain the answer. Video SolutionText SolutionGenerated By DoubtnutGPT To find the number of terms in the series 20,1913,1823,… whose sum is 300, we can follow these steps: Step 1: Identify the first term and common differenceThe first term A of the series ...
Question: Find the number of terms in the finite arithmeticsequence:{-5,-3,-1,1,3,dots,127}n= Find the number of terms in the finite arithmetic -3,-1 There are 2 steps to solve this one.
Or the formula can be used to find the total number of terms: (35–5)÷5+1=7.结果一 题目 【题目】Given an arithmetic sequence: 5, 10, 15, ., 30, 35, find the total number of terms in this sequence. 答案 【解析】7.相关推荐 1【题目】Given an arithmetic sequence: 5, 10, 15...
A geometric sequence has first term, a, common ratio, r, number of terms, n Find the nth term of a sequence using arn-1Find the ratio r by dividing two consecutive terms a)Write the values of a, r and the 20th term of the geometric sequence ...
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1. To ascertain (something), as through examination or inquiry: I found out the phone number by looking it up. If you're not sure, find out. 2. To detect the true nature or character of; expose: Liars risk being found out. 3. To detect and apprehend; catch: Most embezzlers are ...
6 (a) Find the total number of different arrangements of the 1 1 letters in the word CATERPILLAR.[2] 相关知识点: 试题来源: 解析 009686t 171717 1111! alone as numerator. 2! × m! × n! on denominator, m = 1. 2. n = 1. 2. no additional terms, no additional operations. Exact ...