For each positive integer n, let T(n) be the number of triangles with integer side lengths, positive area, and perimeter n. For example, T(6)=1 since the only such triangle with a perimeter of 6 has side lengths 2, 2 and 2.
For each positive integer n, let S(n) denote the sum of the digits of n. For how many values of n is n+S(n)+S(S(n))=2007?( ) 对于任意正整数 n ,令 S(n) 表示n 的各位数字之和。 有多少 n 的取值,使得 n+S(n)+S(S(n))=2007?( ) A.1 B.2 C.3 D.4 E.5 相关知...
For each positive integer n ,the mean of the first n terms of a sequence is n .What is the 2008th term of the sequence 答案是4015 Vertex E of equilateral 三角形ABE is in the interior of unit square ABCD .Let R be the region consisting of all points inside ABCD and outside 三角形...
For each positive integer n, the quantity is defined such that . In addition ; . In the table, select values for and that are jointly compatible with these conditions. Select only two values, one in each column.
For each positive integer n , the integeris defined by. What is the value of the positive integer k ? (1) When k is divided by 4, the remainder is 1. (2) 选项: 答案: B 经典答疑 发起提问 提问: 点此查看答疑 我听录音说a无关,理由是没说k与n关系,但实际此题也没说K*与N*的...
For each positive integer n, let n_e be the product of all positive even numbers less than or equal to n. For example, 6_e=(6)(4)(2)=48 and 7_e=(6)(4)(2)=48. What is the value of (12_e)(3_e)? () A. 384 B. 1,280 C. 1,920 D. 15,360 E. 23,040 相关知识...
【题目】Use mathematical induction to prove that eachstatement is true for each positive integer n.∑_(i=1)^n2^i^j=2^(n+1)=2 相关知识点: 试题来源: 解析 【解析】∑_(i=1)^n(2^i) Compute the general progression formula of 2r=2, a_1=2^ir=2, a_i=2^iGeometric sequence sum ...
【GMAT IR-OG:第21-30题模考】GMAT考满分为GMAT考生提供GMAT IR-OG:第21-30题模考练习。For each positive integer n, the quantity $$s_n$$ is defined such that $$s_{n+2} = {s_n}^2 - s_{n+1}
For each positive integer n,() A. if the quantity in Column A is greater; B. if the quantity in Column B is greater; C. if the two quantities are equal; D. if the relationship cannot be determined from the information given. 点击查看答案手机看题 你可能感兴趣的试题 单项选择题 S is...
GMAT 一个质因子的,一个概率的第一题For every positive even integer n,the function h(n) is defined to be the product of all the even integers from 2 to n,inclusive.If p is the smallest prime factor of h(100) +1,then p is A.between 2 and 1