Which of the following is an equivalent expression to the expression

Answer:
a. [tex]a^{\frac{1}{12} }[/tex]
Step-by-step explanation:
[tex]\frac{a^{\frac{1}{3} } }{a^{\frac{1}{4} } }[/tex] = [tex]a^{\frac{1}{3}-\frac{1}{4} }[/tex] = [tex]a^{\frac{1}{12} }[/tex]