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(2+x)dy/dx=3y need help

User Vintuwei
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1 Answer

4 votes

(2+x) (dy)/(dx) =3y

(1)/(3y) dy= (1)/(2+x) dx

\int { (1)/(3y) } \, dy = \int { (1)/(2+x) } \, dx

(1)/(3)\ln(3y) = \ln(2+x) + C
(raise both to the power e):
e^{ (1)/(3)\ln(3y)}=e^(\ln(k(2+x)))

(3y)^ (1)/(3) =k(2+x)

3y=k(2+x)^3

y= k(2+x)^3
User Leo Orientis
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