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

" (a) If "A=[[1,1,2],[2,1,3],[5,4,9]]" then find "|A|

If A=[[1,1,2],[2,1,3],[5,4,9]] then find |A|

If A = [(-1, 3, 5),(1, -3, -5),(-1, 3, 5)] then show that A^2 = 9A

If A = [[1,1,-2],[2,1,-3],[5,4,-9]] , find |A|

Let A={1,2,3,5,9,7} and B={1,2,3,4,5,6,7,8,9,10}, show that A subset B=B

Let A={1,2,3,5,9,7} and B={1,2,3,4,5,6,7,8,9,10} , show that A subset B

Let A ={2,3,4,5} " and " ={7,9,11,13} and let f = {(2,7),(3,9) ,(4,11),(5,13)} Show that f is invertible and find f^(-1)

If A = {:[(-1,2,3),(5,7,9),(-2,1,1)] and B = [(-4,1,-5),(1,2,0),(1,3,1)] , then show that (A +B) = A'+B'