# Terms don't want to stop!

Algebra Level 4

If $$S_n=\displaystyle\sum_{r=1}^{n} t_{r} = \dfrac{2n^3+9n^2+13n}{6}$$ for all positive integers $$n$$, evaluate $$\displaystyle\sum_{r=1}^{10} \sqrt{t_r}$$.

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