grandes-ecoles 2018 Q10

grandes-ecoles · France · centrale-maths1__psi Invariant lines and eigenvalues and vectors Roots of Unity and Cyclotomic Properties

Show that $r_1$ and $r_2$ are nonzero and that $r_1/r_2$ belongs to $\mathbb{U}_{n+1}$.

Show that $r_1$ and $r_2$ are nonzero and that $r_1/r_2$ belongs to $\mathbb{U}_{n+1}$.