If `A=[1 0 2 0 2 1 2 0 3]` , prove that `A^3-6A^2+7A+2I=0`

If A=[[1,0,20,2,12,0,3]], prove that A^(3)-6A^(2)+7A+2I=0

If A=[[1, 0, 2],[ 0, 2, 1],[ 2, 0, 3]] , prove that A^3-6 A^2+7 A+2I=0

If A = [{:(1,0,2),(0,2,1),(2,0,3):}],Provethat A^(3)-6A^(2)+7A+21=0

If A=[{:(1,0,2),(0,2,1),(2,0,3):}] then , prove that A^(3)-6A^(2)+7A+2I=O .

If A=[[2,0,-1],[5,1,0],[0,1,3]] , prove that : A^-1=A^2-6A+11I

If A = {:[(1,0,2),(0,2,1),(2,0,3)] and A^3-6A^2+7A+ kI_3 = O , find k.

If A=[{:(1,0,2),(0,2,1),(2,0,3):}] , then prove that A is a root of the polynomial f(x)=x^(3)-6x^(2)+7x+2 .

If A = [(4,2),(-1,1)] and I = [(1,0),( 0,1)] prove that (A - 2I) (A - 3I) = 0

If A=[(3, 2, 0),( 1, 4 ,0 ),(0 ,0 ,5)] , show that A^2-7A+10 I=O .