求数列0,3,8,15,24,⋯,99的总和. Find the sum of the sequence 0,3,8,15,24,⋯,99.相关知识点: 试题来源: 解析 375. 根据规律可得该数列为0,3,8,15,24,35,48,63,80,99,所以这些数之和为0+3+8+15+24+35+48+63+80+99=375.反馈 收藏 ...
百度试题 结果1 题目【题目】求数列0,3,8,15,24,…,99的总和Find the sum of the sequence 0, 3, 8,15, 24,…,99 相关知识点: 试题来源: 解析 【解析】375. 反馈 收藏
百度试题 结果1 题目Find the sum of the arithmetic sequence.∑_(i=1)^∑(2i-3) 相关知识点: 试题来源: 解析 =3601a_1=2(1)-3=-1 a_(20)=2(20)-3=37 20 反馈 收藏
百度试题 结果1 题目Find the sum of each sequence.∑_(n=1)^∞4 相关知识点: 试题来源: 解析 20 反馈 收藏
Sum of Infinite Geometric Series | Formula, Sequence & Examples from Chapter 21/ Lesson 11 49K Learn how to use the sum of an infinite geometric series formula and how to evaluate infinite geometric series. See various infinite geometric series examples. ...
S=4n(n+1)(2n+1)6=2n(n+1)(2n+1)3 Final Answer Thus, the sum of the seriesS=22+42+62+…up tonterms is: S=2n(n+1)(2n+1)3 --- Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium ...
We can find the limiting sum of the converging series only. Sometimes, we will need to apply the Maclaurin series expansion formula of the function to get the limiting sum of the series. For example: {eq}e^{-x}=\sum _{n=0}^{\infty \:}(...
This is theformulato find thesumof the firstnntermsof thesequence. Toevaluateit, the values of the first andnnthtermsmust be found. Sn=n2⋅(a1+an)Sn=n2⋅(a1+an) This is anarithmetic sequencesince there is a commondifferencebetween eachterm. In this case, adding22to the previoustermi...
Find the sum of the sequence -(1)/(3),1,-3,9, . . . . . . . Upto 8 te... 07:47 The first term of a G.P. in 27. If the 8^(th) term be (1)/(81), what w... 03:57 Find a G.P. for which the sum of first two terms is -4 and the fifth i... 02:25Exa...
Find the sum of the following power series: sigma_n=3^infinity (-1)^n + 1(x + 2)^n/3^n - 1 Find the sum of the sequence {(-1)^n} / {2 n!}. Find the sum of the following series: (a) sum_n=0^infinity 5/3^n (b) sum_n=0^infinity (-1)^n 7/3^n (...