The series represented by $a_{n}=\frac{n^{2}-2 n}{3 n^{2}+n}$ is

(A) convergent

(B) divergent

(C) asymptotic

(D) oscillatory

The series represented by $a_{n}=\frac{n^{2}-2 n}{3 n^{2}+n}$ is

(A) convergent

(B) divergent

(C) asymptotic

(D) oscillatory

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