Question 315038
{{{ log(b, ((x^5b^9)/(y^7z^10))^(1/4)) }}}

{{{ (log(b,(x^5b^9))- log(b,(y^7z^10)))/4 }}}

{{{(5log(b,x)  + 9log(b,b) -  7log(b,y) - 10log(b,z))/4 }}}


{{{(5log(b,x)  + 9 -  7log(b,y) - 10log(b,z))/4 }}}