a = (((b^2)*(x^2))+(4*(b^2)*x)+(b^2)+(2*(b^3)*x)+(2*(b^3))+(b^4)+(2*b*(x^2))+(2*b*x)+(x^2))/(((b^3)*(x^2))+(2*(b^4)*x)+(b^5))
a = ((x^(2*n))-(z^(2*n)))/((x^n)-(z^n))
y = (((b+1)^0.5)*((b^2.5)+c))+((((b^2)+b)^0.5)*a)
a = (b^(1-n))/(1+(b^(m-n)))
a = (((b^2)+(b*(c^(1-n)))+(b^0.5))/(b^n)/(1+(b^(m-n))))^0.5
simp all