Let-a-number-of-real-so-matrices-1-a-a-a-1-a-a-a-1-having-three-value-characteristic-real-1-2-3-gt-0-then-a-have-to-lies-in-interval-

Question Number 54963 by gunawan last updated on 15/Feb/19

Let a number of real so matrices

[\begin{matrix} 1 & a & a \\ a & 1 & a \\ a & a & 1 \end{matrix}] having three value

characteristic real λ_{1} ⩾ λ_{2} ⩾ λ_{3} > 0

then a have to lies in interval \dots