the Hilbert Irreducibility Theorem for integral points on surfaces 57:32 primes in arithmetic progressions with smooth moduli 48:00 On extremal orthogonal arrays 53:27 Hilbert Class Fields and Embedding Problems 53:05 ABHISHEK SAHA_ THE MANIN CONSTANT AND $P$-ADIC BOUNDS ON DENOMINATORS OF THE ...
What is the first term of the geometric sequence when t = 1,536 and t = 12? A: 6 B: 2 C: 3 D: 9 相关知识点: 试题来源: 解析 C None 反馈 收藏
In a geometric sequence, if the first term is 2 and the common ratio is 3, what is the fourth term? A. 18 B. 54 C. 162 D. 486 相关知识点: 试题来源: 解析 B。本题考查等比数列通项公式。首项为 2,公比为 3,通项公式为 an = a1 * q^(n - 1) ,所以第四项 a4 = 2 * 3^(...
结果1 题目 334. The first term of a geometric sequence is 2 and the sixth term is 12. What is the seventh term of the sequence? D(A) √[6](6^5)(B) 6√[5]6(C) 2√[6](6^5)(D) 12√[5)√6(E) 12√[5)√(12) 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
In a geometric sequence, the first term is 2 and the common ratio is 3. What is the 4th term? A. 18 B. 54 C. 16 D. 32 相关知识点: 试题来源: 解析 B。等比数列通项公式为 an = a1×r^(n - 1) ,将 a1 = 2,r = 3,n = 4 代入,可得 a4 = 2×3^(4 - 1) = 54 。
结果1 题目 The first and second terms of a geometric sequence are n and an, in that order. What is the 1,000th term of the sequence? ( ) A. a^(999)n B. a^(1,000)n C. a^(1,001)n D. (an)^(999) E. (an)^(1,000) 相关知识点: 试题来源: 解析 A 反馈 收藏 ...
The common ratio of a geometric sequence is 3 and the second term is 9. What is the first term? A. 3 B. 4 C. 5 D. 6 相关知识点: 试题来源: 解析 A。解析:设首项为 a1,根据等比数列通项公式 an = a1 * r^(n - 1),这里 a2 = 9,r = 3,n = 2,代入可得 9 = a1 * 3^(...
The sum of an infinite geometric sequence is 12 and the first term is 3. What is the common ratio? A. 1/4 B. 1/3 C. 1/2 D. 2/3 相关知识点: 试题来源: 解析 C。根据无穷等比数列求和公式 S = a1 / (1 - q) ,可得 12 = 3 / (1 - q) ,解得 q = 1/2 。A 选项 1/4...
Explore Arithmetic and Geometric Progression, a part of sequence and series. Learn how to calculate the nth term of any series and also the sum of the n terms in any given series.
In a certain geometric sequence, the second term is 6 and the fourth term is 54. What is the third term? A. 18 B. 27 C. 36 D. 162 相关知识点: 试题来源: 解析 A。设公比为 q ,则 a2 = a1 * q = 6 ,a4 = a1 * q^3 = 54 ,两式相除得 q^2 = 9 ,q = 3 ,所以 a3 =...