" If "A=[[1,0,0],[0,1,0],[a,b,-1]]," then "A^(2)" is "

If A=[[1,0,0],[0,1,0],[a,b,-1]] , find A^2

If A=[[1,0,0],[0,1,0],[a,b,-1]] , find A^2

If A=[[1,0,0],[0,1,0],[a,b,-1]] and A=A^(-1) then a+b=?

If A = [(1,0,0),(0,1,0),(a,b,-1)] , show that A^(2) is a unit matrix.

If A=[(1,0,0),(0,1,0),(1,b,-10] then A^2 is equal is (A) unit matrix (B) null matrix (C) A (D) -A

If A= [[0,1],[0,0]] ,B= [[1,0],[0,0]] , then BA=

If A=[(1,0,0),(0,1,0),(1,b,0] then A^2 is equal is (A) unit matrix (B) null matrix (C) A (D) -A

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

If A=[(1,-1,0),(1,0,0),(0,0,-1)] , then A^(-1) is...a) A^T b) A^2 c) A d) I