The** cube root** of 729 is 9, and the square root of 9 is 3. So, the** square root** for 3√729 is 3. ;
The square root of 3 729 simplifies to 3 3 . This involves first finding the cube root of 729, then multiplying by 3, and lastly taking the square root of the resulting value. Therefore, the answer is 3 3 .
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