Home
Class 12
MATHS
If A^-1 =[(1,-1,0),(0,-2,1),(0,0,1)] the...

If `A^-1` =`[(1,-1,0),(0,-2,1),(0,0,1)]` then (A) A is non-singular (B) A is skew symmetric (C) `|A|=2` (D) `AdjA= [(1/2,- 1/2,0),(0,-1,1/2),(0,0,- 1/2)]`

Promotional Banner

Similar Questions

Explore conceptually related problems

If [(2,1,0),(0,2,1),(1,0,2)] then |adjA|=

If A=[(1,-1,0),(1,0,0),(0,0,-1)] , then A^(-1) is...a) A^T b) A^2 c) A d) I

If A=[{:(1,2,0),(0,1,3),(-2,5,3):}] then verify that A+A is symmetric and A-A is skew-symmetric.

If A=[[1, -1, 2], [3, 0, -2], [1, 0, 3]] , then (adjA)A=

If A^2+A+I=0 , then A is non-singular A!=0 (b) A is singular A^(-1)=-(A+I)

If A^(2)+A+I=0, then A is non-singular A!=0(b) A is singular A^(-1)=-(A+I)

If A=[(1,0,0),(0,1,1),(0,-2,4)],6A^-1=A^2+cA+dI, then (c,d)=