Q.8 one of the integrating factor of the differential equation (-3ry)dr + (r - ry jdy = 0 using this integrating tactor, obtain the solution of given different

Q.8 One of the integrating factor of the differential equation (-3ry)dr + (r - ry Jdy = 0 Using this integrating tactor, obtain the solution of given different ial equation. 9.9 Consider the differential equation 2cos ydr- ry sin ydy=0 then 1. is an 1.F. 2.is an 1.F. 3. 3r is an I.F. 4. is an I.F. 3 Using this integrating factor, obtain the solution of given different ial equation.