1.The solution of x dx+y dy=x2y dy−xy2 dxx\,dx + y\,dy = x^2 y\,dy - xy^2\,dxxdx+ydy=x2ydy−xy2dx isa.x2−1=C(1+y2)x^2 - 1 = C(1 + y^2)x2−1=C(1+y2)b.x2+1=C(1−y2)x^2 + 1 = C(1 - y^2)x2+1=C(1−y2)c.x2−1=C(1−y2)x^2 - 1 = C(1 - y^2)x2−1=C(1−y2)d.x2+1=C(1−y2)x^2 + 1 = C(1 - y^2)x2+1=C(1−y2)Login to continueOnly logged in users canattempt or see the solution.