23. let f(x) = x° +x and g(x) = x*-x for all x e r. if f denotes the inverse function of f, then the derivative of the composite function gof at the point 2 is

23. Let f(x) = x° +X and g(x) = x*-x for all x E R. If f denotes the inverse function of f, then the derivative of the composite function gof at the point 2 is (a) 11 (D) C)3 2 (a3