If` |[1,3,4],[1,x-1,2x+2],[2,5,9]|=0`, then x is equal to-

If det[[1,3,41,x-1,2x+22,5,9]]=0, then x is equal to-

If det[[1,3,41,x-1,2x+22,5,9]]=0, then x is equal to

If |(1,-3,4),(-5,x+2,2),(4,1,x-6)|=0 then x equals

If |(x,3,6),(3,6,x),(6,x,3)|=|(2,x,7),(x,7,2),(7,2,x)|=|(4,5,x),(5,x,4),(x,4,5)|=0 , then x is equal to a)9 b)-9 c)0 c)-1

If A={:[(1,2),(-1,8),(4,9)]:}andX+A=0 , then X is equal to

If A={:[(1,2),(-1,8),(4,9)]:}andX+A=0 , then X is equal to

If the trace of the matrix A= [{:( x-1 ,0,2,5),( 3, x^(2) - 2 ,4,1),( -1,-2,x-3,1),(2,0,4,x^(2)-6) :}] is 0 then x is equal to

If the trace of the matrix A= [{:( x-1 ,0,2,5),( 3, x^(2) - 2 ,4,1),( -1,-2,x-3,1),(2,0,4,x^(2)-6) :}] is 0 then x is equal to

" If the trace of the matrix: "A=[[-1,0,2,5],[3,x^(2)-2,4,1],[-1,-2,x-3,1],[2,0,4,x^(2)-6]]" is "0" then "x" is equal to "