If n is a positive integer, what is the remainder when (74n + 3)(6n) is divided by 10 ? 选项: A、1 B、2 C、4 D、6 E、8 答案: E 提问列表 提问 提问: 没有思路。。。 解答: 点赞0 阅读675 解答: sysadmin 提问: 没有思路。。。 解答: 点赞0 阅读676 解答: sysadmin老师...
英语翻译Frequency spectrum of the harmonics is estimated to be f0 (6n±1),when the power supply of the heating device is composed of the full-wave SCR rectification with f0 the fundamental frequency of the FW-MG and n is a positive integer.
Find the largest positive integer a such that 6n+2+72n+1 divisible by a for any non-negative integers n. 相关知识点: 试题来源: 解析 43. n=0⇒62+7=43⇒a⩽43, 6n+2+72n+1=36(6n)+7(49n)≡36(6n)+7(6n)=43(6n)≡0(mod43), ∴a=43. 反馈 收藏 ...
Consider the following theorem: If x and y are odd integers, then x + y is even. Give a proof by contradiction of this theorem. Prove each of the following statements : a) The sum of two even integers is always even. ) The sum of an even integer and an odd...
Prove using the notion of without loss of generality that 5x +5y is an odd integer when x and y are integers of opposite parity. Prove that if m, n \in \mathbb{N} are such that m^2 - n^2 is odd, then m is odd ...
Prove the following using proof by cases: Prove that n^2 + 1 is greater than or equal to 2^n when n is a positive integer with 1 is less than or equal to n is less than or equal to 4. prove: An E N, 2(n + 2) less than or equal to (n + 2)^2 ...
If n is a positive integer, what is the remainder when (74n + 3)(6n) is divided by 10 ? 选项: A、1 B、2 C、4 D、6 E、8 答案: E Problem Solving 提问 最新 问个问题 我想问: 提交 最热提问 [Issue Essay]Analytical!... [Issue Essay]Analytical!... [Issue Essay]Analytic...
答案 【解析】43. 相关推荐 1【题目】求最大正整数a使得对于任何非负整数n, 6^(n+2)+7^(2n+1) 能整除aFind the largest positive integer a such that6n+2 +72n+1 divisible by a for any non-negative integeTs n. 反馈 收藏
Prove the following by induction: For all n is greater than 3, n! is greater than 2^n. Prove the following statement : If a x b is divisible by c, then an x bn is divisible by c. Prove the following: n is even if and only if n^2+6n+8 ...
Graph Theory is a subject in mathematics having applications in diverse fields. It is very logical and depends on basic concepts like how to represent a graph, its vertices, edges, faces, etc. Using these concepts further, we have developed a theory that can be used to solve real-life ...