若1/(log½⅓)+1/(log1/51/3∈(n,n+1)(n∈Z),则n=
若1/(log½⅓)+1/(log1/51/3∈(n,n+1)(n∈Z),则n=
证明3^n-2^n>2^n,(n>1,n∈Z)
设n∈N,n>1.求证:logn (n+1)>log(n+1) (n+2)
给定n∈N*,且n<100,(n-1)²/3+n/5∈Z.
若复数z满足z^n=1,其中n属于N+,则1+z+z^2+...+z^n=
log(n+2)n+1和log(n+1)n (n大于1),比较大小
(1)已知集合M={x|x=3n,n∈Z},N={x|x=3n+1,n∈Z},P={x|x=3n-1,n∈Z},且a∈M
已知集合M={x=3n,n∈Z},N={x|x=3n+1,n∈Z},P={x|x=3n-1,n∈Z},且a∈M,b∈N,
已知n∈N,n>2,求证log以n为底(n+1)×log以n为底(n-1)<1
若集合A={x/x=3n+1,n∈Z],B=[X/X=3n+2,n∈Z],M=[X/X=6n+3,n∈Z].若m∈M,问
给定an=log(n+1)^(n+2)(n∈N*),给定乘积a1*a2*...*ak为整数叫做“理想数",则区间[1,2
#define N 3 #define Y(n) ( (N+1)*n) 则执行语句:z=2 * (N+Y(5+1));后