N
naughtygirl5493
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
tim lim
a,lim( 2n+(-1)^n)/(3n-(-1)^n)
b,lim(2^(2n+1)+5^n)/(3^(n+2)+5^n)
cau b minh ra 1 khong biet dung khong?
a,lim( 2n+(-1)^n)/(3n-(-1)^n)
b,lim(2^(2n+1)+5^n)/(3^(n+2)+5^n)
cau b minh ra 1 khong biet dung khong?