[" (4) "A=dig[3,-5,7]],[" B "=sin y[-1,2,4]],[" fire "2.0+3B]

If A = diag. [3,-5,7]^* and B - diag. [-1,2,4], then find (2A + 3B).

If A = {:[(4,2,3),(1,5,7)] and B = [(1,3,7),(0,4,1)] , find 2A + B.

If A = [(5,3),(4,2)], B = [(1,1),(-1,2)], C = [(-3,2),(-7,5)] find 2 A + 3 B - 4 C

If A=[[0,2,3],[2,1,4]] "and" B=[[7,6,3],[1,4,5]] "find " 2A+3B,2A-3B.

If A = [(-2,0,5),(3,8,7)], B = [(-1,0),(2,3),(1,4)] , verify that (AB)' = B'A'

If A=[[2,3,4],[-3,0,2]], B=[[3,-4,-5],[1,2,1]] and C=[[5,-1,2],[7,0,3]] , find the matrix X such that 2A+3B=X+C

If A=[[2,3,4],[-3,0,2]], B=[[3,-4,-5],[1,2,1]] and C=[[5,-1,2],[7,0,3]] , find the matrix X such that 2A+3B=X+C

If =[[2,3,4],[1,2,3],[4,-5,7]], B= [[2,5,-1],[3,-1,2],[7,2,-3]] , verify that (A+B)'=A'+B'

If A=[[2,3,4],[1,2,3],[4,-5,7]], B= [[2,5,-1],[3,-1,2],[7,2,-3]] , verify that (A+B)'=A'+B'

If A=[(1,-2,3),(-4,2,5)],B=[(1,3),(-1,0),(2,4)] then 2A+3B'=