If `A = [ [ 1 , 2 ] , [ 4 , 2 ] ] `then show that `| 2A | = 4 |A |`

If A=[[1,24,2]], then show that |2A|=4|A|

If A=[1242], then show that |2A|=4|A|

If A=|[1,2],[3,2]| ,then show that |2A|=4|A|

" 2.If "A=|[1,2],[4,2]|," then show that "|2A|=2|A|

If A=[[ 1 ,4 , 7 ] , [2 , 5 , 8 ]] and B=[[-3, 4 , 0 ],[ 4 ,-2 , -1 ]] then show that ( A + B )^T = A^T + B^T

If A=[[5,-4],[2,-1]] then show that |A| = |A^(T)|

Evalute the determinants in queations 1 and 2 : If A=[{:(1,2),(4,2):}] , then show that |2A|=4|A|.

If A=[{:(2,1,1),(1,2,1),(1,1,2):}] , then show that : |4A|=64|A| .

If A=[[2,4],[-5,-1]] show that: |3A|=9|A|

" 1.If "P=[[2,-2,-4],[-1,3,4],[1,-2,-3]]" then show that,"P^(2)=P" ."