If `A = [(1,2),(3,4)]`, then `8 A^(-4)` (A) `145A^-1 +27I ` (B) `145A^-1-27I` (C) `27I-145A^-1` (D) `29A^-1 +9I`

If A= diag (1,4,5) then A^(-1) is equal to

"If A" = [{:(1, 2), (1, 3):}] , then find A^(-1) + A . (a) I (b) 2I (c) 3I (d) 4I

If A=[(1,2,3),(1,4,9),(1,8,27)] , then | adj A| is equal to a) 12 b) 1440 c) 72 d) 64

If A= [ (1,3,9,27 ), (3,9,27,1),(9,27,1,3),(27,1,3,9)] then det A= (A) 0 (B) -(80^3).27 (C) (80^3)27 (D) 81^3

If A= [ (1,3,9,27 ), (3,9,27,1),(9,27,1,3),(27,1,3,9)] then det A= (A) 0 (B) -(80^3) (C) (80^3)27 (D) 81^3

If A=[91,3,9,27),(3,9,27,1),(9,27,1,3),(27,1,3,9)] then det A= (A) 0 (B) -80^3 (C) 80^3 (D) 81^3

If A={:[(3,2),(0,1)]:}" then:(A^(-1))^(3)= ...a) (1)/(27)[(1,-26),(0,27)] b) (1)/(27)[(-1,26),(0,27)] c) (1)/(27)[(1,-26),(0,-27)] d) (1)/(27)[(-1,-26),(0,-27)]

Find : (a) 1/2 of (i) 24 (ii) 46 (b) 2/3 of (i) 18 (c) 27 (d) 3/4 of (i) 36 (d) 4/5 of (i) 20 (ii) 35

If 2994-:14.5=172, then 29.94-:1.45=?( a) 0.172(b)1.72(c)17.2 (d) 172