# y' + y= xy^3

#### Theodora

##### New member
How to slove this Bernuli equation?

Staff member

#### LCKurtz

##### Junior Member
To add to Sub's hint, multiply the equation by $$\displaystyle y^{-3}$$ and change the dependent variable by $$\displaystyle v=y^{-2}$$. Also, the name is spelled "Bernoulli".