Write down the form of general solution of EQ. x = Ax where A is a 3 × 3 real matrix for the following case, respectively:
• A has three different eigenvalues: λ1 > λ2 > λ3 ;
• A has a pair of complex conjugate eigenvalues: λ1,2 = a ± ib
• the characteristic polynomial of A, P (λ) = (λ − λ1...