grandes-ecoles 2017 QII.D.1

grandes-ecoles · France · centrale-maths2__psi Matrices Determinant and Rank Computation
We denote $Q = A _ { p - 1 } A _ { p - 2 } \cdots A _ { 0 }$. Prove that $\operatorname { det } Q = 1$.
We denote $Q = A _ { p - 1 } A _ { p - 2 } \cdots A _ { 0 }$. Prove that $\operatorname { det } Q = 1$.