Question 405525
{{{y^0(-X^5)^5/ yx^-5}}}..........{{{y^0=1}}} because ny number (except 0) with 

exponent 0 is defined as 1.


{{{1(-X^5)^5/ yx^-5}}}


{{{(-X^5)^5/ (y/x^5)}}}


{{{x^5(-X^5)^5/ y}}}.........use Power of a Power rule ({{{(am)^n = a^mn}}}) for {{{(-X^5)^5}}}


{{{x^5(-X^25)/ y}}}