" If "[[1,2,x],[4,-1,7],[2,4,-6]]" in a singular matrix,then "x" is equal to "

(A) "4],[" 2.If " A=[[k,1,0],[3,5]]" is a singular matrix,then the value of "k" is equal to: "],[[" (A) "0," (B) "6," (C) "-6," (D) "6]]

[" (A) "4],[" 2.If "A=[[k,10],[3,5]]" is a singular matrix,then the value of "k" is equal to : "],[[" (A) "0," (B) "6," (C) "-6," (D1/ "]]

If A = [(1,0,2),(5,1,x),(1,1,1)] is a singular matrix then x is equal to

If [(2+x,3,4),(1,-1,2),(x,1,-5)] is a singular matrix then x is (A) 13/25 (B) -25/13 (C) 5/13 (D) 25/13

If [(6-x, 4),(3-x,1)] is a singular matrix then the value of x is

" 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 "

If the matrix A=[[2-x,1,1],[1,3-x,0],[-1,-3,-x]] is singular,then what is the solution set S?

If [{:( 2 + x , 3 , 4 ) , (1 , -1 , 2 ) , (x , 1 , -5):}] is a singular matrix then x is

If the matrix A=[[8,-6,2],[-6,7,-4],[2,-4,lambda]] is singular then lambda is