" 18.If "A=[[3,3,5],[2,3,4],[5,2,3]]" .Prove that "AI_(3)=I_(3)A

If A=[[3,3,52,3,45,2,3]]. Prove that AI_(3)=I_(3)A

If A=[[5,-3],[4,-3],[-2,1]] ,prove that (A^T)^T=A

Prove that 2/3ltlog_10 5<3/4

If A = [[2/3,1,5/3],[1/3,2/3,4/3],[7/3,2,2/3]] and B = [[2/5,3/5,1],[1/5,2/5,4/5],[7/5,6/5,2/5]] , then compute 3A-5B

The identity matrix I_(2)={:[(1,0),(0,1)]:} . If A={:[(2,-3),(5,1)]:} , evaluate AI_(2)=I_(2)A=A

If A={1,2,3},B={3,4}and C={4,5,6}, "then prove that" (AxxB)uu(AxxC) ={(1,3),(1,4),(1,5),(1,6),(2,3),(2,4),(2,5 ),(2,6),(3,3),(3,4),(3,5),(3,6)}

If A={1,2,3},B={3,4}and C={4,5,6}, "then prove that" (AxxB)uu(AxxC) ={(1,3),(1,4),(1,5),(1,6),(2,3),(2,4),(2,5 ),(2,6),(3,3),(3,4),(3,5),(3,6)}

If A=[[2/3, 1, 5/3],[ 1/3, 2/3, 4/3] ,[7/3, 2, 2/3]] and B=[[2/3, 3/5, 1],[ 1/5, 2/5, 4/5],[ 7/3, 6/5, 2/5]] , then compute 3A - 5B .

If A=[[2/3, 1,5/3],[1/3, 2/3, 4/3],[7/3, 2, 2/3]] and B=[[2/5, 3/5, 1],[1/5, 2/5, 4/5],[7/5, 6/5, 2/5]] then compute 3A-5B

The mtrix A is given by A=[[1,2-3,0]]. Prove that A^(2)+3A+5I=[[3,8-12,-1]]