Respuesta :

[tex](3x^ \frac{7}{2} )^6(x^2)^6= (729x^{21})(x^{12}) = 729x^{33}[/tex]
The correct option is: Option (D) 729x^33

Explanation:
Given expression: 
[tex](3x^{7/2})^6 (x^2)^6 \\ (3^6x^{42/2})(x^{12}) \\ 729x^{21+12} \\ 729x^{33} \\[/tex]

Which is option (D)