If a diagonal matrix A=diag[-1,2,5] then value of |A| is
(a) 6 (b) -10 (c) 0 (d) (a) and (b) both

Find the value of (( 2^0 + 1)/ 5^0 ) is ( a ) 2 ( b ) 1 ( c ) ( 2/5 ) ( d ) ( 3/5 )

If the rank of the matrix [[-1,2,5],[2,-4,a-4],[1,-2,a+1]] is 1 then the value of a is (A) -1 (B) 2 (C) -6 (D) 4

For any 2xx2 matrix, if A\ (a d j\ A)=[10 0 0 10] , then |A| is equal to (a) 20 (b) 100 (c) 10 (d) 0

The fraction equivalent to 1 2/3 is (a) (10)/3 (b) 3/5 (c) (10)/6 (d) 6/(10)

(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=diag(2,-1,3), B=diag(-1,3,2)then A^(2)B

The value of log_(sqrt(2))32 is a.(5)/(2) b.5 c.10 d.(1)/(10)

If A=[1 4 7 2 6 5 3-1 2] a n d B=d i ag(125) , then trace of matrix A B^2 is (a)74 (b)75 (c)529 (d)23

If a matrix A is both symmetric and skew- symmetric,then A is a diagonal matrix (b) A is a zero matrix (c) A is a scalar matrix (d) A is a square matrix