Posted by Catherine on .
Find dy/dx in terms of x and y if xlny+y^6= (9)lnx

Calculus 
bobpursley,
x lny+ y^6=9lnx
lny +xy'/y+6y^5 y'=9/x
solve for y' 
Calculus 
Catherine,
I solved and I got: (9lny)/(x((x/y)+6y^5))

Calculus 
Catherine,
But that's not the answer...