In: Advanced Math
Solve the initial value problem. y'=(y^2)+(2xy)+(x^2)-(1), y(0)=1
Given initial value problem ,

or ,
or,
............
Let us make an substitution


Substituting these values in
we get
,



Integrating both side we get ,

, where c is integration constant .


........
Since
so ,

or , 
substituting value of
in
we
get ,

or ,
Hence the required solution is ,
.
.
.
.
If you have any doubt or need more clarification at any step please comment .