\displaystyle \displaystyle \frac{6\sqrt{168 n^{4}}}{7\sqrt{3 n^{-6}}} =



Answer to a math question \displaystyle \displaystyle \frac{6\sqrt{168 n^{4}}}{7\sqrt{3 n^{-6}}} =

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\frac{6\sqrt{168 n^{4}}}{7\sqrt{3 n^{-6}}} =\frac67\times\sqrt{\frac{168}3\times n^{4-(-6)}} =\frac67\times\sqrt{56\times n^{10}} =\frac67\times\sqrt{56}\times n^{\frac{10}2} =\frac67\times2\sqrt{14}\times n^5 =\frac{12\sqrt{14}}7\times n^5

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