∫C[−y3+sen(xy)+xycos(xy)]dx+[x3+x2cos(xy)]dy=4.7124\int_C \big[−y^3 + sen(xy) + xy cos(xy)\big]dx + \big[x^3 + x^2cos(xy)\big]dy = 4.7124∫C[−y3+sen(xy)+xycos(xy)]dx+[x3+x2cos(xy)]dy=4.7124