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I have been trying to solve the following differential equations I was stuck with them. I will appreciate any help from you;

1- 3 y' +3x/y =2(xy)^4

I have tried Bernoulli but I could not get a standard form.

2- x' -2 x y = y exp (-3y^2)[x exp(-y^2)+ 3(x exp(-y^2))^2]

I have tried here the substitution x exp(-y^2)= u , but I could not also find the solution.

Can any one do it?

hhegab

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# I can't do these diff. eqns.

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