COMEDK2014MathematicsDifferential Equations
The solution of (2 x-10 y³ ) d y d x +y=0 is
Options
- Ax y²=2 y⁵+C
- By x²=2 y⁵+C
- Cx² y²=2 y⁵+C
- DNone of these
Correct answer
A. x y²=2 y⁵+C
Step-by-step solution
Given, differential equation is aligned & (2 x-10 y³ ) d y d x +y=0 d y d x = -y 2 x-10 y³ & d x d y = 2 x-10 y³ -y = -2 x y +10 y² & d x d y + 2 y x=10 y² aligned Compare with linear differential equation d x d y +P x=Q IF =e^ 2 y d y =e^ y² =y² Required solution is x y²= 10 y² y² d y+C i.e. x y²=2 y⁵+C