`sum_(n=0)^oo(n+10)/(10n+1)`

For the seriesĀ `a_n=(n+10)/(10n+1)`

`a_n=(1+10/n)/(10+1/n)`

`lim_(n->oo)a_n=lim_(n->oo)(1+10/n)/(10+1/n)`

`=1/10!=0`

As per the n'th term test for divergence,

If `lim_(n->oo)a_n!=0` , then `sum_(n=1)^ooa_n` diverges

So, the **series diverges**.

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