Answer the following questions.Evaluate`|(2,-5,7),(5,2,1),(9,0,2)|`

Answer the following questions.Evaluate |(1,-3,12),(0,2,-4),(9,7,2)|

Answer the following questions. If A=[[2,1,-3],[0,2,6]],B=[[1,0,-2],[3,-1,4]] ,find AB^T and A^TB

Answer the following questions.Find x,yif {-1[[1,2,1],[2,0,3]]+3[[2,-3,7],[1,-1,3]]}[[5],[0],[-1]]=[[x],[y]]

Answer the following questions. If A=[[1,-1,0],[2,3,4],[0,1,2]] and B=[[2,2,-4],[-4,2,-4],[2,-1,5]] ,show that BA=6I

Answer the following questions.If A=[[2,-3],[3,-2],[-1,4]],B=[[-3,4,1],[2,-1,-3]] verify (3A-5B^T)^T=3A^T-5B

Answer the following questions. If A=[[2,-1],[3,-2]] ,find A^3

Answer the following questions.Find x,y,zif {[[1,3,2],[2,0,1],[3,1,2]]+2[[3,0,2],[1,4,5],[2,1,0]]}[[1],[2],[3]]=[[x],[y],[z]]

Answer the following questions. If A=[[2,1],[0,3]],B=[[1,2],[3,-2]] ,verify that |AB|=|A||B|