Answer: Choice A
Reason:
Use the rule that [tex]a^{b/c} = \sqrt[c]{a^b} = \left(\sqrt[c]{a}\right)^b[/tex]
This means, [tex](2a)^{6/5} = \sqrt[5]{(2a)^6} = \boldsymbol{\left(\sqrt[5]{2a} \ \right)^6}[/tex]
As another example, [tex]m^{2/3} = \sqrt[3]{m^2} = \left(\sqrt[3]{m} \ \right)^2[/tex]
