solve for the question

2.4.20 Determine whether the equation is exact. If it is, then solve it. 5 7 2]dx+ [6xcos(xy)-5y 7 dy=0 6y cos (xy) + 1 - x Select the correct choice below and, if necessary, ll in the answer box to complete your choice. The equation is exact and an implicit solution in the form F(x.y) = C is D = C, where C is an arbitrary constant. ' (Type an expression using x and y as the variables.) OA 0 B. The equation is not exact