I attempted to do section 2.2 Q32, and get the answer $x^2+y^2-e^cx^3=0$. However, the answer from the textbook is $x^2+y^2-cx^3=0$. Can someone please explain to me where I did wrong? I have attached my answers below. Also, is it possible to solve this problem by rewriting it as a Bernoulli equation?