GATE2017 CE-2-1

Question

Consider the following simultaneous equations (with $c_1$ and $c_2$ being constants):

• $3x_1+2x_2=c_1$
• $4x_1+x_2=c_2$

The characteristic equation for these simultaneous equation is

• A. $\lambda^2 – 4 \lambda – 5=0$
• B. $\lambda^2 – 4 \lambda + 5=0$
• C. $\lambda^2 + 4 \lambda – 5=0$
• D. $\lambda^2 + 4 \lambda + 5=0$