Engineering Board Exam Reviewer · Variable Separable Equations · medium

Find the general solution of dy/dx=1+y2/1+x2.

1. y = C + x
2. y = C - x
3. y = C + x
4. ≤ft(y2 + 1 ) = C + ≤ft(x2 + 1 )

Answer

A. y = C + x

Solution

dy/1+y2=dx/1+x2 y= x+C.

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