If the curveCis the top semicirclex 2+y 2=9from(3,0)to(−3,0), evaluate the line integral∫ C(y−x)ds. (enter an integer or a fraction) Question 3 Calculate the work done by the force fieldF=⟨−x,y,z⟩along the pathr(t)=⟨cost,sint,4t⟩,0≤t≤ 2π4π 22π 2+14π 2+12π 24π
