TeX Quellcode:
\begin{array}{crclllcc} \text{I} & 4\lambda_1 + 5\lambda_2 &=& 0 & \vert \cdot 4 \cr \text{II} & -16\lambda_1 - 14\lambda_2 &=& 0 \cr \cr \text{I} & 4\lambda_1 + 5\lambda_2 &=& 0 \cr \text{4 I+II} & 0\lambda_1 + 6\lambda_2 &=& 0 & \Rightarrow \quad \lambda_2 = 0 \quad \Rightarrow \quad \lambda_1 = 0\end{array}