Consider the following simultaneous equations (with $c_{1}$ and $c_{2}$ being constants):$3 x_{1}+2 x_{2}=c_{1}$ $4 x_{1}+x_{2}=c_{2}$ The characteristic equation for these simultaneous equations is
(A) $\lambda^{2}-4 \lambda-5=0$
(B) $\lambda^{2}-4 \lambda+5=0$
(C) $\lambda^{2}+4 \lambda-5=0$
(D) $\lambda^{2}+4 \lambda+5=0$
Consider the following simultaneous equations (with $c_{1}$ and $c_{2}$ being constants):$3 x_{1}+2 x_{2}=c_{1}$ $4 x_{1}+x_{2}=c_{2}$ The characteristic equation for these simultaneous equations is
(A) $\lambda^{2}-4 \lambda-5=0$
(B) $\lambda^{2}-4 \lambda+5=0$
(C) $\lambda^{2}+4 \lambda-5=0$
(D) $\lambda^{2}+4 \lambda+5=0$