If "A=`[[k,10],[3,5]]"` is a singular matrix,then the value of "k" 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]]

If A=[[2-k,2],[1,3-k]] is a singular matrix,then find the value of 5k-k^(2) .

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

If A is a singular matrix, then write the value of |A| .

If B=[{:(6,3),(-2,k):}] is singular matrix then the value of k is____

If -5,k and -1 are in AP, then the value of k is equal to

If 5^(-k) = 1/l , then the value of 5^(3k) is equal to :

If A=[[3k,0],[k,k]] and A^(-1)=[[1,0],[-1,3]] , then the value of k is equal to

If A-[[sin((3 pi)/(2)),sin pi,2],[cos((2 pi)/(3)),1,k],[cos pi,-4,tan((pi)/(4))]] is a singular matrix, then the value of k is