[" Which of the following is anti- "],[" aromtic? "],[0[1]],[4],[0,0],[11],[0_(11)x-y]

Solve the following equations for X and Y, if 3X-Y=[[1,-1],[-1,1]] and X-3Y=[[0,-1],[0,-1]]

Which of the following is the acute angle between the two linez 7x -4y =0 and 3x 0-11y=2 ?

Which of the following numbers 0.1 , 0.11 ,(0.11)^(2), sqrt(0.001) is the greatest ?

Solve the following : [[1+x,1,1],[1,1+x,1],[1,1,1+x]] =0

Which of the following is equal to 1?((0.11)^(2))/((1.1)^(2)xx0.1) (b) ((1.1)^(2))/(11^(2)xx(0.01)^(2)) (c) ((0.011)^(2))/((1.1)^(2)xx(0.01)^(2)) (d) ((0.11)^(2))/(11^(2)xx0.01)

Solve the following equations: |(x-1,1,1),(1,x-1,1),(1,1,x-1)|=0

Evaluate the following determinant |(2,-1,0,1),(-3,0,1,-2),(1,1,-1,1),(2,-1,5,0)|

[" 11."," If "AB=BA" and "A=[[1,1],[0,1]]],[" ,then "B=," b."[[x,0],[y,0]]," d."[[x,y],[0,x]]],[" c."[[x,y],[0,y]],[[x,x],[1,x]]]

The solution of the equation [[1,0 ,1],[-1,1 ,0],[0 ,-1,1]][[x],[ y] ,[z]]=[[1],[ 1],[ 2]] is