If `A=[[1,2,0],[5,4,2],[0,7,-3]]`find the product `(A+I)(A-I)`

If A+I=[[1,2,0],[5,4,2],[0,7,-3]] find the product (A+I)(A-I)

If A=[[2,-3,4],[-1,0,3],[4,-5,-5]] then find A'

If A=[[5,1,-4],[3,2,0]] ,find (A^T)^T

If A=[[1,-2],[5,3]],B=[[1,-3],[4,-7]] ,then find the matrix A-2B+6I , where I is the unit matrix of order 2.

If A = [[1,0,0],[2,1,0],[3,3,1]] then reduce it to I_3 by using column transformations.

If A=[[7,3,0],[0,4,-2]],B=[[0,-2,3],[2,1,-4]] ,then find 5A^T-5B^T

If A=[[7,3,0],[0,4,-2]],B=[[0,-2,3],[2,1,-4]] ,then find A^T+4B^T

If A=[[1,2,-3],[-3,7,-8],[0,-6,1]],B=[[9,-1,2],[-4,2,5],[4,0,-3] ,then find the matrix C such that A+B+C is a zero matrix

Answer the following questions.If A=[[4,-1,-4],[3,0,-4],[3,-1,-3]] ,show that A^2=I