First, separate the variables:
\(\frac{1}{y^2} dy = 4xe^{-2x} dx\).
Integrate both sides:
\(\int \frac{1}{y^2} dy = \int 4xe^{-2x} dx\).
The left side integrates to:
\(-\frac{1}{y}\).
For the right side, use integration by parts:
Let \(u = x\) and \(dv = 4e^{-2x} dx\).
Then \(du = dx\) and \(v = -2e^{-2x}\).
So, \(\int 4xe^{-2x} dx = -2xe^{-2x} - \int -2e^{-2x} dx\).
\(= -2xe^{-2x} + e^{-2x}\).
Thus, the integrated equation is:
\(-\frac{1}{y} = -2xe^{-2x} + e^{-2x} + C\).
Using the initial condition \(y = 1\) when \(x = 0\):
\(-1 = -2(0)e^{0} + e^{0} + C\).
\(-1 = 1 + C\).
\(C = -2\).
Substitute back:
\(-\frac{1}{y} = -2xe^{-2x} + e^{-2x} - 2\).
\(\frac{1}{y} = 2xe^{-2x} - e^{-2x} + 2\).
\(y = \frac{1}{2xe^{-2x} - e^{-2x} + 2}\).
Multiply numerator and denominator by \(e^{2x}\):
\(y = \frac{e^{2x}}{2x + 1}\).