(a) Find the derivative of f (9:) = (m2 + 9) (45c 11) by first expanding the polynomials. Enter the fully simplified expression for f (at) after expanding the polynomials. lalababw M0 f(a=)= Enter the derivative of f (9:). \f(b) Find the derivative of f (as) = (m2 + 9) (4w 11) by using the product rule. Let g (as) = 9:2 + 9 and h (as) = 4m 11. 9'(w)=E h (ac) = Va la TT sin (a) ? f' (20) = (c) Are the expressions for the derivative in (a) and (b) the same? Click for List