Answer
$\frac{7}{6}$
Work Step by Step
3$\Sigma$k=1 writing this with put sigma notation
2$\Sigma$k=1$\frac{k-1}{k}$ =>$\frac{1-1}{1}$ => $\frac{2-1}{2}$
=>$\frac{3-1}{3}$ =>0+$\frac{1}{2}$+$\frac{2}{3}$=$\frac{7}{6}$
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