If=`[ [a+1,1,1],[1,1,-1],[-1,1,1]] =4` then value of a=

a^(−1) + b^(−1) + c^(−1) = 0 such that |[1+a,1,1,],[1,1+b,1,],[1,1,1+c,]| =△ then the value of △ is

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

If a, b and c are all different from zero and Delta = |(1 +a,1,1),(1,1 +b,1),(1,1,1 +c)| = 0 , then the value of (1)/(a) + (1)/(b) + (1)/(c) is

4.Find the value of 1/3^(-1)

If matrix A=[(1,-1),(-1,1)] and A^2=kA then write the value of k.

The value of the determinant |(-1,1,1),(1,-1,1),(1,1,-1)| is equal to

Find the maximum value of |[1, 1, 1],[ 1, 1+sintheta,1],[ 1, 1, 1+costheta]|

If [2 1 3] [{:(-1,0,-1),(-1,1,0),(0,1,1):}][{:(1),(0),(-1):}] =A, then find the value of A.

If the distance between the points (a, 2, 1) and (1, -1, 1) is 5, then value of a are :

Find the rank of the matrix A = [[1,-1,1,-4],[3,-1,1,6],[4,-1,2,7],[2,-1,1,9]]