(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

1+x^2 dy/dx = 1+y^2

2. Relevant equations

3. The attempt at a solution

if I clean this up a little, I would get

1/ (1+x^2) dx = 1/ (1+y^2) dy

correct?

since the integral of 1+x^2 is arctanX, I get

arctanX + C = arctanY + C.

And I don't know what to do from here. Please help!

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# 1+x^2 dy/dx = 1+y^2, differential equation! a little Help here!

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