Learn the Arithmetic sequence formula and meaning. Discover how to find the common difference and read arithmetic sequence examples. Related to this QuestionFind the arithmetic or geometric sequence and find the term number of the last term listed. 15, 45, 135,...
百度试题 结果1 题目Find the nth term of each arithmetic sequence.-|1,-q,-7,-5⋯,forn=|7 相关知识点: 试题来源: 解析 α_n=α_I+ln-I)d a7 = -l · (17 -I)(2)α_(I7)=-|I⋅(I6)(2) α_(I7)=2I
where “ a “ is the first term of the sequence. How to find the nth term of an arithmetic sequence? The formula for finding the nth term of an arithmetic sequence is given by – an= a + (n − 1) × d. where a = First term ...
Answer to: Find a formula for the general term, an, of the sequence. Assume that the first term in the sequence is a1. By signing up, you'll get...
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.Arithmtic Sequene:dT his is the formula of an arithmetic sequence.a_n=a_1+d(n-1) Susitut in the valuesof a_1=1/8and d=1/8m=+()(m-)Simplify each term.1n1an=8+8-8Combine the opposite terms inn11/8+n/8-1/8 2an=8Substitute in the value of n to find th...
Find the first term and the common difference of the arithmetic sequence described. Give a recursive formula for the sequence. Find a formula for thenthterm. 20thtermis0;65thtermis-135 The first term isa1= The common difference isd=...
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Arithmetic Sequence Formulas Recursive Formula a n = a n-1 + d use if you know prior terms Explicit Formula a n = a 1 + (n-1)d a n = nth term a 1 = 1 st term n = number of terms d = common difference Examples Find the 20 th term of each sequence , 201, 189, 177… ...
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