Reduce each of the following equations into canonical form and find the general solution. vii. yum-2xyu, + xu = u, +u, %3D viii. U- 2 sin xuy - cos xuyy-cos xu, =0 COS %3D Reduce each of the following equations into canonical form and find the general solution. vii. yum-2xyu, + xu = u, +u, %3D viii. U- 2 sin xuy - cos xuyy-cos xu, =0 COS %3D