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(2)
y=ce^x
y' = ce^x
y' -y = 0
(3)
y' +(1/y)e^(y^2+3x) = 0
dy/dx = -(1/y)e^(y^2). e^(3x)
∫-ye^(-y^2) dy = ∫e^(3x) dx
(1/2)e^(-y^2) =(1/3)e^(3x) + C'
e^(-y^2) =(2/3)e^(3x) + 2C'
y^2 = Ce^(3x) - ln(2/3)
y=ce^x
y' = ce^x
y' -y = 0
(3)
y' +(1/y)e^(y^2+3x) = 0
dy/dx = -(1/y)e^(y^2). e^(3x)
∫-ye^(-y^2) dy = ∫e^(3x) dx
(1/2)e^(-y^2) =(1/3)e^(3x) + C'
e^(-y^2) =(2/3)e^(3x) + 2C'
y^2 = Ce^(3x) - ln(2/3)
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