Home
Class 12
MATHS
Let A=[(0,0,-1),(0,-1,0),(-1,0,0)] Then ...

Let `A=[(0,0,-1),(0,-1,0),(-1,0,0)]` Then only correct statement about the matrix A is (A) A is a zero matrix (B) `A^2=I` (C) `A^-1` does not exist (D) `A=(-1)I` where I is a unit matrix

Promotional Banner

Similar Questions

Explore conceptually related problems

Let {:A=[(0,0,-1),(0,-1,0),(-1,0,0)]:} . The only correct statement aboul the matrix A is

The matrix [(1,0,0),(0,2,0),(0,0,4)] is a

Let A = [(1,1,0),(0,1,0),(0,0,1)] and let I denote the 3xx3 identity matrix . Then 2A^(2) -A^(3) =

If A=[(1,0,0),(0,1,0),(1,b,-10] then A^2 is equal is (A) unit matrix (B) null matrix (C) A (D) -A

If A=[(1,0,0),(0,1,0),(a,b,-1)] then A^2 is equal to (A) null matrix (B) unit matrix (C) -A (D) A

If A is a square matrix and |A|!=0 and A^(2)-7A+I=0 ,then A^(-1) is equal to (I is identity matrix)

If A=[(1 ,0, 0),(0, 1,0),( a,b, -1)] , then A^2 is equal to (a) a null matrix (b) a unit matrix (c) A (d) A

If I_3 is the identity matrix of order 3 then I_3^-1 is (A) 0 (B) 3I_3 (C) I_3 (D) does not exist

If A=[(0,2,-3),(-2,0,-1),(3,1,0)] then A is (A) diagonal matrix (B) symmetric matix (C) skew symmetric matrix (D) none of these

If A=[(1, 0,0),(0,1,0),(a,b,-1)] and I is the unit matrix of order 3, then A^(2)+2A^(4)+4A^(6) is equal to