5. Given that { $$ a _ { n } $$} is an arithmetic (equal difference) sequence,$$ i f a _ { 1 } = 1 0 , $$$ a n d a _ { 1 0 0 9 } = - 4 0 $$,then the value o f a_{2017 is( )(A)-90. (B) -70. (C)70. (D)90. 相关...
For the given arithmetic sequence, write an explicit formula for f(n). Assume the initial value ofn to be1. [Show all work.]3−c,4,5+c,6+2c,... 相关知识点: 试题来源: 解析 f(n)=2(1−c)+n(1+c)WORK SHOWN:a=3−c,d=4−(3−c)=1+c, f(n)=a+(n−1)d, f...
如题,看到arithmetic mean 的英文定义,但不知道中文是什么意思,求翻译.原句如下:if there is one term falling between two given terms of an arithmetic sequence, it's called arithmetic mean.另外,还有对应的geometric mean的:if there is one term falling between two given terms of an geometric sequence...
An infinite sequence contains infinitely many terms, with each term defined by a general expression that depends on a parameter. We can write out individual terms by substituting a value for the parameter. Answer and Explanation:1 In this infinite sequence, the general...
For the sequence below, find the next two terms of the sequence and find a recurrence relation and an explicit formula for the sequence. {-2, 4, -8, 16, ...} For the sequence below, find the next two terms of the sequence...
题目Given the arithmetic sequenceFind a_n9, 14, 19, 24, ...n=50 相关知识点: 试题来源: 解析 a_(50)=254 本题是一道有关角的认识的题目,借助角的意义解答;角的度数的大小,只与两边叉开的大小有关;放大镜放大的只是两边的长短,并没有将角的两边叉开的大小改变,据此进行解答即可。
(D)4d al al i英汉字典:common difference公差;parabola抛物线;x-axis:x轴)10.Given two sequences{an},{bn}with positive terms,let{an}be arithmetic with the common difference d.let bnbe thelength of the line segment cut by the parabola y=anx2+2an+1x+an+2(n∈N*)from the x-axis....
In this work we will provide efficient algorithms for theConnectivityproblem when the regions are line segments andkis small. See Fig.1for an example. Fig. 1 Example of the instances we consider, where the regions are line segments. Left: input data with two segments. Center and right: two...
The sequence and the series are two different but similar concepts. The series is sum of the terms of the sequence. The series can be converging or diverging. If we know the general term of the sequence, then we can find the terms of the sequence....
First Five Terms of Arithmetic Sequence: Use the given conditions or values and the general term of an arithmetic sequence to compute the common difference between the terms, then plug the values of the first term, common difference, and the termnin...