百度试题 结果1 题目Find the formula for u,, in terms of n for the sequences below:u_(n+1)=2u_n+3,u_1=1 相关知识点: 试题来源: 解析 2n—3 反馈 收藏
To find the nth term of a sequence, we use the sequence formula. In the sequence formula, we did not need to know the first term or last term, we have to just put the value of n to find that term. Answer and Explanation: The formula for the nth...
8. Study the following patterns, add one more pattern in the sequence and find the formula for the n term of the sequenc e. a.3n△ b.口5n1, C.区74n+1 d.4n-3 e.n+2 f.o。1/2n(n+1) L、h.3n+1 相关知识点: 试题来源: 解析 3n5n4n+14n-3n+2n(n+1)3n+1 ...
For the formula of the nth term a_{n} of a sequence \left \{ a_{n} \right \}, find the values of a_{1},a_{2},a_{3}, and a_{4}. a_{n}=(-1)^{n+1} (4n-1) a_1 = a_2 = a_3 = a_4 = How do you find the first 5 terms of a sequ...
Step 4: Use the formula for the sum of a geometric series The sum of a geometric series can be calculated using the formula: S=arn−1r−1 whereais the first term,ris the common ratio, andnis the number of terms. Here,a=3,r=3, and the number of terms isn−1: ...
百度试题 结果1 题目For each of the following sequences:Find the formula for the nth term.78. 69.60. 51... 相关知识点: 试题来源: 解析 7- 反馈 收藏
Find a formula for the sum of the first n terms of the sequence. 1,910,81100,7291000. Geometric Progression: The series in which the consecutive terms has a common ratio is called a geometric series. The sum of n terms in a Geometric Progression is g...
Find a formula for the sum S_n of the first n terms of sequence. Then prove that your formula is true using mathematical induction.2, 6, 10, 14,…, (4n-2) 相关知识点: 试题来源: 解析 S_n=2n^2; Let P_n be the statement 2+6+10+14+⋯ +(4n-2)=2n^2. Because 2=2(1)^...
Find a formula for the nth term of the sequence in terms of {eq}n {/eq}. {eq}\displaystyle \frac 16, \frac 59, \frac {5^2}{12}, \frac {5^3}{15}, \frac {5^4}{18}, \cdots {/eq} Arithmetic and Geometric Progression...
1. Find all sequences of consecutive dates - Excel 365 The image above shows a formula that lists all dates in cell range B3:B9 that follow each other in sequence like for example January 1, 2025 and January 2, 2025 and so on. Excel 365 dynamic array formula in cell D3: =LET(x,...