The adjoint of the matrix `[(2,5),(3,1)]` is (A) `[(2,5),(3,1)]` (B) `[(1,-5),(-3,2)]` (C) `[(1,-3),(-5,2)]` (D) `[(-1,3),(5,-2)]`

The adjoint of the matrix A= [{:( 1,2),( 3,-5) :}] is

If A=[(3,1),(-1,2)] then A^2= (A) [(8,-5),(-5,3)] (B) [(8,-5),(5,3)] (C) [(8,-5),(-5,-3)] (D) [(8,5),(-5,3)]

15. For matrix A=[(2,3),(-4,5)] , (adjA)^T is equal to (A) [(5,-3),(4,2)] (B) [(5,4),(-3,2)] (C) [(5,3),(4,-2)] (D) [(5,-3),(-4,2)]

find the adjoint of the matrix A=[(1,2,3),(0,5,0),(2,4,3)]

Find adjoint of the matrice in [(1,-1, 2),( 2, 3, 5),(-2, 0, 1)]

The inverse of the matrix [[2,3],[-4,-5]] is: (a) [[-(5)/(2),4],[(9)/(2),1]] , (b) [[(5)/(2),2],[(4)/(2),2]] (c) [[-(5)/(2),-(3)/(2)],[2,1]] (d) [[1,3],[(2)/(3),4]]

Find matrix B, if matrix A= [(1,5),(1,2)] , matrix C= [(2),(1)] and AB= 3C

If A=[(1,2),(3,-5)] then A^-1 is A. [(-5,-2),(-3,1)] B. [(5/11,2/11),(3/11, - 1/11)] C. [(-5/11,-2/11),(-3/11, -1/11)] D. [(5,2),(3,-1)]

Find the Rank of the matrix A = [[1,4,5,2],[2,1,3,0],[-1,3,2,2]]

compute the indicated products . (i) [{:(a,b),(-b,a):}][{:(a,-b),(b,a):}](ii) [{:(1),(2),(3):}][2" "3 " "4 ] (iii) [{:(1,-2),(2,3):}][{:(1,2,3),(2,3,1):}] (iv)[{:(2,3,4),(3,4,5),(4,5,6):}][{:(1,-3,5),(0,2,4),(3,0,5):}] (V) [{:(2,1),(3,2),(-1,1):}][{:(1,0,1),(-1,2,1):}] (vi) [{:(3,-1,3),(-1,0,2):}][{:(2,-3),(1,0),(3,1):}]