2. Let n be a positive integer and let A1, A_2 ,…, A2n+1 be subsets of a set B. Suppose that(i) Each A, has exactly 2n elements,(ii) Each A, A,(1≤ij2n + 1) contains exactly one element,(iii) Every element of B belongs to at least two of the A,.For which ...
1Let N be the second smallest positive integer that is dvisible by every positive integer less than 7. What is the sum of the digits of N?( )A.3B.4C.5D.6E.9 2【题目】Le tN b ethe second smalles tpositive intege rtha ti sdvisible by ever ypositive intege r less than 7 。
A/1.Let n be a positive integer having at least two distinct prime factors. Show that there is a permutation (a1,a2,…,a,)of(1,2,…,n)such that 答案 优质解答相关推荐 1A/1.Let n be a positive integer having at least two distinct prime factors. Show that there is a permutation ...
【题目】Let n be a positive integer greater than 4 such that the decimal representation ofn! ends in k zeros and the decimal representation of (2n)! ends in 3k zeros. Let s denote the sum of the four least possible values of n.What is the sum of the digits of s?( )令n为一大于...
Let n be a positive integer greater than 4 such that the decimal representation of n! ends in k zeros and the decimal representation of (2n)! ends in 3k zeros. Let s denote the sum of the four least possible values of n. What is the sum of the digits of s?( )令 n 为一大于 ...
Let S(n) equal the sum of the digits of positive integer n. For example, S(1507)=13. For a particular positive integer n, S(n)=1274 . Which of the following could be the value of S(n 1)?( )令 S(n) 等于正整数 n 的各位数字之和。 例如,S(1507)=13。 对于某个特定的正整数 ...
Let the question f(x)=logx2 and ϕ(x)=2logx, then View Solution If f(x)=(p-x^(n))^((1)/(n)),p>0 and n is a positive integer then f[f(x)] is equal to View Solution Let (5 + 2sqrt6)^n= p+ f , where n in N and p in N and 0 View Solution Let n be a...
【题目】For a positive integer n and nonzero digits a, b, andc, let An be the n-digit integer each of whose digitsis equal to a; let Bn be the n-digit integer each ofwhose digits is equal to b, and let Cn be the 2n-digit(not n-digit) integer each of whose digits is equ...
Let n be a positive integer such that sinpi/(2n)+cospi/(2n)=(sqrt(n))/2dot Then 6lt=nlt=8 (b) 4<nlt=8 4lt=nlt=8 (d) 4<n<8
Let n be a positive integer. Prove that there are always at least two primes that differ by n. Finding the Truth Value of a Claim about Primes A prime number is an integer {eq}p {/eq} greater than 1 with the property that its only positive divisors are...