lim（1/n^2+4/n^2+7/n^2+……+

lim（1/n^2+4/n^2+7/n^2+……+（3n-2）/n^2)

4个回答

lim(1/n2+2/n2+3/n2+……n/n2)为什么不等于lim1/n2 +lim2/n2 +lim3/n2……+
lim(n→∞)[(2+3)/4+(2^2+3^2)/4^2+……+(2^n+3^n)/4^n]=lim(n→∞){[(
lim(n→∞)[3n²+4n-2/(2n+1)²]
lim(n->无穷)(1/4n^2-2^2+2/4n^2-3^2+...+n-1/4n^2-n^2)
lim(n->∞)[2^(2n-1)+1]/(4^n-3^n)=?
lim[(5n^2-7n^2+1)/(n-1)^2]n→∞
n→∞ lim[1+1/(1+2n)+1/(2+2n)+1/(3+2n)+1/(4+2n).+1/(n+2n)]=
求下列极限：（1）lim 3n^2-2n+1/8-n^3 n→∞ (2)lim 1+2+3+…+n/n^2 n→∞
求lim(n→∞)[(1^3+4^3+7^3+……+(3n-2)^3]/{[1+4+7+……+(3n-2)]^2}
lim (n→∞) (n^3/2n^2）-（n^2/2n+1)