If`A=[[1/3,2],[0,2x-3]]`,`B=[[3,6],[0,-1]]`and `AB=I` ,then x=

If A = [{:((1)/(3),2),(0,2x-3):}] and B =[{:(3,6),(0,-1):}] and AB=I_(2) then value of x is

If X+Y=[[5,2],[0,9]] and X-Y=[[3,6],[0,-1]], f i nd 2X-3Y .

If A=[[1,2,1] , [1,-4,1] , [3,0,-3]], B=[[2,1,1] , [1,-1,0] , [2,1,-1]] then show that AB=6I_3

If A=[(9,1),(4,3)],B=[(1,5),(6,11)] and 3A+5B+2X=0 then X =

If A=[[1,2,3]], B=[(-5,4,0),(0,2,-1),(1,-3,2)] then (A) AB=[(-2),(-1),(4)] (B) AB=[-2,-1,4] (C) AB=[4,-1,2] (D) AB=[(-5,4,0),(0,4,-2),(3,-9,6)]

If A=[[1,2,3]], B=[(-5,4,0),(0,2,-1),(1,-3,2)] then (A) AB=[(-2),(-1),(4)] (B) AB=[-2,-1,4] (C) AB=[4,-1,2] (D) AB=[(-5,4,0),(0,4,-2),(3,-9,6)]

If {:A=[(1,2,x),(0,1,0),(0,0,1)]andB=[(1,-2,y),(0,1,0),(0,0,1)]:} and AB=I_3 , then x + y equals

If A={:[(1,2,x),(0,1,0),(0,0,1)]:}, B={:[(1,-2,y),(0,1,0),(0,0,1)]:} and AB=I_(3) , then find the value of x + y + 1.

If A = [[x,1,-x],[0,1,-1],[x,0,7]] and det (A) = |(3,0,1),(2,-1,0),(0,6,7)| , then the value of x is a)-3 b)3 c)2 d)-8

If A=((1,-1),(0,1),(2,3)),B=((2,1),(3,0),(0,1)) and 2A-3B+5X=O then X =