The following a proper set of linearized equations. Why or why not? (Include the why or why not part on the work that you upload) \delta \ddot{x}_{1}+3 \delta \dot{x}_{1}+2 \delta

x_{1}=3 \cos (t) \delta \ddot{x_{2}}^{2}+\delta \dot{x_{1}}+2 \delta x_{1}=0 O True O False