MHB Convert $a^{5/\log_9a}$ to Base 14

[Teh]

Convert the following expressions to the indicated base using base 14 for a < 0 & a not equal to 1.$a^{5/\log_9a}$
So i been stuck for 1 hour trying to figure out this problem may anyone guide me please

 

[Greg]

Teh, please do not post duplicates. Thread closed. See http://mathhelpboards.com/pre-algebra-algebra-2/change-base-logs-19507.html for topic discussion.