Find the 7th term of the sequence 1, 1/2, 1/4, 1/8, . . . Find the 7th term for the sequence: a_n = 2n -3. Find the number of terms in the sequence. a_1 = 4, a_n = 42, d = 2 Find the number of terms in the sequence...
Number of terms, n = 15 First term, a = 1 Common difference, d = 2 – 1 Now, we know that finding the nth term of an arithmetic sequence is given byan= a + (n − 1) × d. Substituting the given values in this equation, we have, ...
Find the number of terms in the finite arithmetic -3,-1 There are 2 steps to solve this one.
The number of terms in a geometric sequence can be found by using the formula mentioned below: {eq}\begin{align} \displaystyle a_n = a_1\times...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...
a_2-a_1=5-(5+k) or -k find the difference between pairs of consecutive termsa_3-a_2=5-k-5 or -k to verify the common difference.The common difference is -k.Add -k to the third term to get the fourth term, and so on.a_4=5-k-k or 5-2ka_5=5-2k-k or 5-3ka_6=...
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
If a sequence follows a particular term in every term, then we can find its general term on the form of a variable n. This general term helps us to find every term of the sequence. As, for the given sequence, its general term is given here. So, to find its first give ...
The 7-th term of the arithmetic sequence is: 23 Explanation: In the above exercise - The "findNthTermArithmetic()" function takes three parameters: x (the first term of the sequence), d (the common difference), and n (the term number to find). ...
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....
百度试题 结果1 题目 12. The first four terms of an arithmetic sequence are21 17 13 9Find, in terms of n, an expression for the nth term of this sequence.-4n+25(Total 2 marks) 相关知识点: 试题来源: 解析 -4n+25 反馈 收藏 ...