" If "A=|[4,0,0],[0,4,0],[0,0,4]|" then find value of "|adjA|

If A=[(b,0,0),(0,b,0),(0,0,b)] then the value of |A||adjA| is

If A=[[1,0,0],[0,1,0],[0,0,1]] then value of |A+A'| is 1)2 2)8 3)4 4)0

If A=[[1,2,3],[2,3,4],[0,0,2]] then the value of adj(adjA) is-

If [[2x+y,3y],[0,4]]=[[6,0],[0,4]] then find the value of x.

" If "A" is a square matrix such that "A(adjA)=[[4,0,0],[0,4,0],[0,0,4]]" ,then det "(adj A)" is equal to "

Let A be a square matrix of order 3 such that adj. (adj. (adj. A)) =[(16,0,-24),(0,4,0),(0,12,4)] . Then find the value of |A|

If {:A=[(a,0,0),(0,a,0),(0,0,a)]:} , then the value of abs(adjA) , is

If A is a square matrix such that A(adj A)=[(4,0,0),(0,4,0),(0,0,4)] , then (|adj (adj A)|)/(|adj A|) is equal to

If A is a square matrix such that A(adj A)=[(4,0,0),(0,4,0),(0,0,4)] , then (|adj (adj A)|)/(|adj A|) is equal to

IF A=[[2,4],[-1 ,k]:}] and A^2=[[0,0],[0,0]:}] then find the value of k.