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$\frac{xy+yz+zx}{xyz}$

Algebra Level 2

Positive numbers $a$ , $b$ , $c$ , $x$ , $y$ and $z$ satisfy $abc=125, a^x=b^y=c^x=5 ^{11}.$ What is the value of $\frac{xy+yz+zx}{xyz}?$

\frac{2}{11}

\frac{1}{11}

\frac{4}{11}

\frac{3}{11}

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by Mahindra Jain

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