Solution
= Solution
The <eigenvalues> are a nonreal conjugate pair $\boxed{\alpha\pm i\beta,\ \alpha<0,\ \beta\ne0}$. The factor $e^{\alpha t}$ contracts while the imaginary part produces rotation, giving a <stable spiral>.
= Solution
The <eigenvalues> are a nonreal conjugate pair $\boxed{\alpha\pm i\beta,\ \alpha<0,\ \beta\ne0}$. The factor $e^{\alpha t}$ contracts while the imaginary part produces rotation, giving a <stable spiral>.