Calculate the derivative. (Use symbolic notation and fractions where needed.) d do 2 cot (u) du =\fEvaluate the integral [31 f(x)dx, where _3 f(x)={12 x, x31 x, x>1 (Use symbolic notation and fractions where needed.) 2 1 The derivative can be found using the Fundamental Theorem of Calculus. d M\") d d a m) mm = f(b(u))$b(u) Munw \fd Final Answer Therefore, the required derivative is d 8u x + 4dx = 16 16u- + 1+ Vuz + 4 du