b = (-1^(1/((-1*n)+1)*(2+n)))*(a^(1/((-1*n)+1)))
x = 1/(y^(1/(n-1)*(-2+n)))/((n^(n/(n-1)))-(n^(1/(n-1))))
(x+(((1/x)+1)*((x^m)+((a+b)/(x^n)/(c+d)))))/(x+1)
simp all
1
a
simp
2
y
simp
deri x