For each of following equations find the general integral and compute three different solutions. Describe the domain(s) of the (x.y)-plane in which each these solutions is defined. (a) a? zz + y° zy =...

Extracted text: For each of following equations find the general integral and compute three different solutions. Describe the domain(s) of the (x.y)-plane in which each these solutions is defined. (a) a? zz + y° zy = 2ry (b) zzz + (c) x? zz + y zy (d) zy = 3y? (e) (y + 2)z, + yzy = x – y (f) æz, + yzy = xy(z² + 1) (g) r(y – 1)2, + y(z – x)Zy = 2(x – y) (x + y)z (h) zz, = -y