[tex] \frac{(7 ^{ \frac{4}{7} }*3 ^{ \frac{2}{3} }) ^{21} }{21 ^{12} } [/tex]. Created by arina1404ap98. algebra-ru

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[tex] \frac{(7 ^{ \frac{4}{7} }*3 ^{ \frac{2}{3} }) ^{21} }{21 ^{12} } [/tex]

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NewLifer $\frac{ 7^{ \frac{4}{7}* 21} * 3^{ \frac{2}{3}*21 } }{ 21^{12}}=\frac{ 7^{12}* 3^{14} }{ 21^{12}}=\frac{ 7^{12}* 3^{12}* 3^{2} }{ 21^{12}}=\frac{ (7* 3)^{12}* 3^{2} }{ 21^{12}}=\frac{ (21)^{12}* 3^{2} }{ 21^{12}} = 3^{2} =9$

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