Use Euler's method with \(h= 0.10 \) to approximate \(x( 1.2 )\) and \(y( 1.2 )\) given the following system of IVPs.
\[ x'= 3 \, t^{2} x^{2} + 3 \, x y \hspace{2em} x( 1 )= -1 \]
\[ y'= -t^{2} y^{2} + 3 \, x^{2} y - 1 \hspace{2em} y( 1 )= 0 \]
Answer: