Lim ┬ (n →∞) &; ((1 / (n ^ 2 + 1)] + 2 / (n ^ 2 + 2) + &; n / (n ^ 2 + n)) is equal to 1 / 2,

Lim ┬ (n →∞) &; ((1 / (n ^ 2 + 1)] + 2 / (n ^ 2 + 2) + &; n / (n ^ 2 + n)) is equal to 1 / 2,

1/(n^2+1)+n/[n^2+n]=[(n^2+n)+n(n^2+1)]/[(n^2+1)(n^2+n)]=n^3/n^4*[1+1/n+2/n^2+1/n^3]/[(1+1/n^2)(1+1/n)]2/(n^2+2)+(n-1)/[n^2+n-1]=[2(n^2+n-1)+(n-1)(n^2+2)]/[(n^2+2)(n^2+n-1)]=n^3/n^4*[1+1/n+4/n^2+-4/n^3...