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X isn't a natural number

Algebra Level 1

If ${ \left( 125 \right) }^{ x }=3125$ , then $x$ equals :

\frac { 5 }{ 3 }

\frac { 3 }{ 5 }

\frac { 1 }{4}

\frac { 1 }{5}

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by Dinesh Nath Goswami

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