Evaluate the improper integral or show that it diverges.

${\displaystyle \underset{0}{\overset{6}{}}}\frac{dx}{(15-3x{)}^{\frac{1}{5}}}$

Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

A$.{\displaystyle \underset{0}{\overset{6}{}}}\frac{dx}{(15-3x{)}^{\frac{1}{5}}}=$

B$.$ The improper integral diverges.