百度试题 结果1 题目Write the formula for the nth term of the geometrie series.a_1=1 r=-2 相关知识点: 试题来源: 解析 a_n=(-2)^(n-1) 反馈 收藏
newton's little formula for nth term计算方法 Newton's Little Formula for nth Term: A Mathematical Marvel Mathematics has always been a fascinating subject, full of mind-boggling equations and formulas. One such formula that has stood the test of time is Newton's Little Formula for the nth ...
百度试题 结果1 题目The nth term of a geometric sequence is given by the formula u_n=-6*2^(n-1).What is the value of n, if u_n=-768? 相关知识点: 试题来源: 解析 8 反馈 收藏
The formula an = a + ( n – 1 ) d is used to get the general term (or) nth term of an arithmetic progression (AP) whose first term is a, and the common difference is d. For example, we have the sequence 5, 8, 11, 14, 17, 20, 23, and 26....
Answer to: For the formula of the nth term a_n of a sequence {a_n}, find the values of a_1, a_2, a_3, and a_4. a_n = (-1)^n + 1 (4 n - 2). By...
百度试题 结果1 题目Find a formula for the nth term of the arithmetic sequence a_3=16, a_4=20 相关知识点: 试题来源: 解析 a_n=4n+4 反馈 收藏
【题目】Explain why the nth term of the sequenceis given by S- S, and hence find aformula for the nth term in terms of p andq 相关知识点: 试题来源: 解析 【解析】Subtracting the sum ofthe first (n - 1) termsfrom the sum of thefirst n terms will leaveonly the nth term.nth ...
百度试题 结果1 题目Write an explicit formula for an, the nth term of the sequence22, 17, 12, ...Answer: a_n=Submit Answer 相关知识点: 试题来源: 解析 22.17.12 q_1=22 9=5 an=22+cn-1)5 反馈 收藏
L. Which equation represents a formula for the nth term of the sequence 40, -20, 10, -5, ..?a_n=-40(0.5)^(n-1)Ba_n=80(0.5)^(n-1) C a_n=40(-0.5)^(n-1)a_n=80(-0.5)^(n-1) 相关知识点: 试题来源: 解析 C
Find the formula for the nth term, and find the indicated term for each arithmetic sequence.a) 3, 5, 7, ; t_(30)b) -2, -6, -10, ; t_(25)c) -4, 3, 10, ; t_(18) 相关知识点: 试题来源: 解析 a) The n^((th)) term and value of t_(30) are 2n+1 and 61 ...