极限limn→∞[3/1^2*2^2+5/2^2*3^2+...+2n+1/n^2*(n+1)^2]
问题描述:
极限limn→∞[3/1^2*2^2+5/2^2*3^2+...+2n+1/n^2*(n+1)^2]
答
解
极限limn→∞[3/1^2*2^2+5/2^2*3^2+...+2n+1/n^2*(n+1)^2]
解