xsqrt(1+y^2)dx-ysqrt(1+x^2)dy=0 solve using variable separable.

xsqrt(1+y^2)dx-ysqrt(1+x^2)dy=0 solve using variable separable.
xsqrt(1+y^2)dx-ysqrt(1+x^2)dy=0 solve using variable separable.

xsqrt(1+y^2)dx-ysqrt(1+x^2)dy=0 solve using variable separable.