[tex]x^{\frac{3}{2} }[/tex]
using the law of exponents : ([tex]a^{m}[/tex] × [tex]a^{n}[/tex] = [tex]a^{mn}[/tex]
Assuming you mean ([tex]x^{\frac{1}{4} }[/tex][tex]^{6}[/tex]
then ([tex]x^{\frac{x1}{4} }[/tex][tex]^{6}[/tex] = [tex]x^{\frac{6}{4} }[/tex] = [tex]x^{\frac{3}{2} }[/tex]