If `A=[[2,-4],[-5,3]]`,then find `A+A'` , `A. A'`

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

If P=[[2,-4],[-5,3]] then find P+P^(T) .

If A=[[1,-2,4],[0,2,1],[-4,5,3]] find adj A .

If A=[(1,-2),(-3,4)] , then find A^(2)+5A .

If A=[[1,2],[3,4]] and B=[[2,3],[4,5]] , then find A+B-C=0 , then find C.

If A=]2,4[ and B=[3,5], find A nn B

if A=[[1,2,22,1,22,2,1]] then find the value of A^(2)-4A+5I_(3) then find the value of

If A=[[1,2,-3] , [5,0,2] , [1,-1,1]] and B=[[3,-1,2] , [4,2,5] , [2,0,3]] then find matrix C such that A+2C=B

If A=[[2,3,-4],[1,0,6],[-2,1,5]],B=[[5,1,2],[6,-1,4],[5,3,-4]] , find 2A-3B .

If A={1,2,3,4,5} , then find the domain in the relation from A to A by R={(x,y):y=2x-1} .