AP EAMCET2014MathematicsDifferential Equations
The solution of y+(x y-1) d y d x =0 is
Options
- Ax y= y+C
- By- y=C x
- Cy+ y=C x
- Dx y+ y=C
Correct answer
A. x y= y+C
Step-by-step solution
Given differential equation can be rewritten as aligned & y d y d x +x y-1=0 & d x d y +( y) x= y & aligned It is a linear differential equation of the form aligned d x d y +P x & =Q I F & =e^ P d y =e^ y d y & =e^ y = y aligned Solution is aligned & x y= ^2 y d y & x y= y+C & aligned