plz help
Follow Math Help Forum on Facebook and Google+
2nd One] n^2/sqrt(n^4+1) >= n^2/sqrt(n^4+3n^4) = n^2/2n^2=1/2 So how can the term a_n converge to zero, if infinitely many terms are above 1/2? Thus, it diverges by the divergence theorem.
View Tag Cloud