1.

Solve  \[{{81}^{2x}}={{\left( 729 \right)}^{2}}\]

A. \[x=\frac{3}{4}\]                              
B. \[x=\frac{2}{3}\]
C. \[x=\frac{5}{6}\]                              
D. \[x=\frac{3}{2}\]
Answer» E.


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