Question 2 (a) Letf be the function defined on (-co,co) by f(x)=Je *#0 Construct an argument to determine whether fis differentiable at 0. (6 marks) (b) x(x+1) Let y Find dy 2 + sin 2x in terms of x for x > 0. Hence compute the value dx of dy -when x dx (8 marks) (c) Differentiate [(cos(arcsin x)) ] with respect to x for -1 x $1. (6 marks)