For this case, we have to define power properties by:
[tex]a ^ {\frac {1} {2}} = \sqrt {a ^ 1} = \sqrt {a}[/tex]
So, if we have:
[tex]a ^ {\frac {5} {7}}[/tex]
For the property of powers mentioned above, we can write it as:
[tex]\sqrt [7] {a^5}[/tex]
Answer:
[tex]a ^ {\frac {5} {7}} = \sqrt [7] {a^5}[/tex]
