$\frac{l o g 2197}{l o g 13}$ = _____ .

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Solution

$\frac{l o g 2197}{l o g 13} = \frac{l o g 13^{3}}{l o g 13}$

= $3 \frac{l o g 13}{l o g 13}$

= $3 \times 1$

= $3$

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