Use Euler's method with \(h= 0.10 \) to approximate \(x( 0.20 )\) and \(y( 0.20 )\) given the following system of IVPs.

\[ x'= 2 \, x^{2} y + 4 \, t x - 1 \hspace{2em} x( 0 )= 0 \]

\[ y'= -x^{2} y^{2} + 2 \, t y^{2} - 3 \hspace{2em} y( 0 )= 0 \]