derivative of (x^2+14)/x
derivative of (x^2+14)/x
f(x)/g(x) = (g(x)*f' - f(x)*g')/(g(x))^2
(x(2x) - (x^2 + 14)*1)/x^2
(2x^2 - x^2 - 14)/x^2
(x^2 - 14)/x^2
f(x)/g(x) = (g(x)*f' - f(x)*g')/(g(x))^2
(x(2x) - (x^2 + 14)*1)/x^2
(2x^2 - x^2 - 14)/x^2
(x^2 - 14)/x^2