(11) Compute the derivatives of the following functions: 12 - 1 du; it u2+ 1 tan c V2+t 7-3 g(x) = t sin tdt; g(@) = cos(u- )du. T [5 marks] (12) If F(x) = ff f (t) dt where f(t) = fi u du, find F"(2). [5 marks