Question

求行列式a0 1 1 ……1 11 a1 0 ……0 01 0 a2 ……0 0…………………………1 0 0……an-

Answer 1

原式=[a0*(-1)^(1+1)]*[a1*(-1)^(2+2)]*[a3*(-1)^(3+3)]*……*[a(n-1)*(-1)^(n-1+n-1)]*an

=a0*a1*……*an