B. an odd integerC. divisible by 8D. a multiple of 2nE. a positive integer 相关知识点: 试题来源: 解析C 若n是奇数,则n2-1: (A) 质数 (B) 奇数 (C) 能被8整除 (D) 2n的倍数 (E) 正整数 因为n是奇数,所以n可以表达成n=2k+1,k是整数。由此可得: n2-1=(n+1)(n-1)=(2k+2...
If n is an integer and not prime number,then n must be A. 过我因住圆常证低什省写半几理他花过我因住圆常证低什省写半几理他花the total of three prime numbers过我因住圆常证低什省写半几理他花过我因住圆常证低什省写半几理他花 B. 技生克场色管机情己全往技生克场色管机情己全...
是错题 你代入m=20 n=1的时候 B选项等于9 是个奇数
Prove that an integer cannot be both even and odd. Prove the following: (a) The product of two odd numbers is odd, (b) If 3n^2+5 is odd, then n is even, (c) If n is even, then n^2+6n+8 is even, (d) n is even if n^2+6n+8 is even. ...
(1)- 1 is an odd integer. (2)3n + 4 is an even integer. 选项: A、Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B、Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. ...
例10 If a is an odd number,then there must exist aninteger n such that a2-1=()(A)3n.(B)5n.(C)8n.(D)16n.(odd number奇数;such that使得)译文:如果a是奇数,那么一定存在一个整数n使得a2-1=()(A)3n.(B)5n.(C)8n.(D)16n. ...
百度试题 结果1 题目【题目】If n+5 is an odd integer, then n could be whic h of the following? ( ) A. 1 B. -1 C. -2 D. -3 E. -7 相关知识点: 试题来源: 解析 【解析】 C 反馈 收藏
(1)n + 2 is an even integer. (2)n - 1 is an odd integer. 选项: A、 Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B、 Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. ...
if "X" is an integer,which of the following will produce an odd number?A.3x² +1 B.x²+2xX是不等于0的整数A.B都存在奇数和偶数的情况啊? 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 举报 你说的对,好像答案并不能确定为A,确实经过运算,发现A和B都有奇偶两种情况的结果.只有当...
If n is a positive integer, then(√3+1)2n−(√3−1)2nis (1) an irrational number (2) an odd positive integer (3) an even positive integer (4) a rational number other than positive integers View Solution Exams IIT JEE NEET ...