Question 2 If x(t) and y(t) are differentiable functions, then the derivative of x(t)/y(t) is... O x' (t)y(t) - x(t)y' (t) ( ( 1) ) 2 O y'(t) x(t) - y(t)x'(t) (x (1 ) ) 2 O x' (t) y (t ) + x (t)y'(t) (v ( 1 ) ) 2 O x(t)y' (t) - x'(1) y(t) (v ( 1 ) ) 2