MHT CET202013 Oct 2020Morning ShiftMathematicsDifferential EquationsActual
The general solution of the differential equation ² x tany d x+ ² y x d y=0 is
Options
- Ax y=c
- Bx y=c
- Cx y=c
- Dx y=c
Correct answer
A. x y=c
Step-by-step solution
aligned & ² x y d x+ ² y x d y=0 & ² x y d x=- ² y x d y & ² x x d x=- ² y y d y ² x x d x=- ² y y d y & ( x)=- ( y)+ c & ( x y)= c & x y=c aligned