Math Chapter Wise question with answer

Q01 Let the general integral of the partial differential equation () () () ∂ ∂ 2 z z 2xy -1 + z - 2x = 2 x - yz z y be... English · Bihar (TRE 1.0) -2023 Q02 If a and b are two odd prime numbers such that a > b, then a2 – b2 is: English · EMRS TGT-2023 Q03 If the equation Mdx + Ndy = 0 has one and only one solution, then the number of integrating- factor is English · DSSSB PGT 2021 Q04 The number of integrating factors of the non- exact differential equation 2 xy y x is– English · UP PCS (Pre) 2003 Q05 How many extremals s are possible for the extremals () ∫ 2 1 2 0 d y I y x = + y dx,y(0) = 1, dx () () () y 1 = –1,... English · UPPSC Polytechnic Lecturer 2021 (I) Q06 Which of the following differential equations gives the extremals for the variation problem? [ ] ∫ 2 2 2 2 1 J y(x)... English · UKPSC Lecturer (Mains) 2020