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সরল কর: $\frac{7^3\times7^{-3}}{3\times3^{-4}}$

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সরল কর: $\frac{7^3\times7^{-3}}{3\times3^{-4}}$

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$\frac{7^3\times7^{-3}}{3\times3^{-4}}$

$=\frac{7^{3+\left(-3\right)}}{3^{1+\left(-4\right)}}$

$=\frac{7^{3-3}}{3^{1-4}}$

$=\frac{7^0}{3^{-3}}$

$=\frac{1}{\frac{1}{3^3}^{}}$

$=1\times\frac{3^3}{1}$

$=27$ [Answer]

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