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- Find the first derivative of each function. a) f(x)=ln (e^x+e^-x) b)f(x)= e^-2x - x ln x+x-7 c) f(x)= e^x-e^-x/e^x+e^-x d) f(x)= ln(e^x - 3x) e) f(x)= e^x^2 ln x - X^2/2Find derivatives of the following functions: y = (4x + 3)/ln[2x2 + 3x - 5] y = 3( e2x + e-2x )(x2 - 4)Find the second derivative of the function. g(x) = e6x ln(x)