32 sove: d + dy +x+y+z+ 1) d (a) r+y+z ae (b) x+y+z- aer c)r+y+a= aet (d) none of these 33. solve: 2yz de-3zx dy-4xy dt - 0 (a) -o (b)-y (c)-y (d) none of these

32 Sove: d + dy +x+y+z+ 1) d (A) r+y+z Ae (B) x+y+z- Aer C)r+y+a= Aet (D) None of these 33. Solve: 2yz de-3zx dy-4xy dt - 0 (A) -o (B)-y (C)-y (D) None of these 34. Solve: -+2=0 (A) y Ae Be' (8) x= Ae + Be (C)x= Ae +e (D) None of these 35. An equation of the form: (A) Exact (B) Homogencous (C) Linear (D) Non-linear ee