Home
Class 12
MATHS
If A = [ (0,1,1),(1,0,1),(1,1,0)] then A...

If A = `[ (0,1,1),(1,0,1),(1,1,0)]` then `A^(2) - 3I` =

A

`[ (1,0,0),(0,1,0),(0,0,1)]`

B

`[(1,-1,-1),(-1,1,-1),(-1,-1,1)]`

C

`[(-1,0,0),(0,-1,0),(0,0,-1)]`

D

`[(-1,1,1),(1,-1,1),(1,1,-1)]`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 7

    EDUCART PUBLICATION|Exercise SECTION -B|20 Videos

  • SAMPLE PAPER 7

    EDUCART PUBLICATION|Exercise SECTION -C|10 Videos

  • SAMPLE PAPER 6

    EDUCART PUBLICATION|Exercise SECTION - C |9 Videos

Similar Questions

Explore conceptually related problems

Find A^(-1) if A=|(0,1,1),(1,0,1),(1,1,0)| and show that A^(-1)=(A^(2)-3I)/2

If A=[{:(,1,1,2),(,0,2,1),(,1,0,2):}] show that A^(3)=(5A-I)(A-I)

If A=((1,0,0),(0,2,1),(1,0,3)) then (A-I)(A-2I)(A-3I)=

If A= [(0,1,1),(0,0,1),(0,0,0)] is a matrix of order 3 then the value of the matrix (I+A)-2A^2(I-A), where I is a unity matrix is equal to (A) [(1,0,0),(1,1,0),(1,1,1)] (B) [(1,-1,-1),(0,1,-1),(0,0,1)] (C) [(1,1,-1),(0,1,1),(0,0,1)] (D) [(0,0,2),(0,0,0),(0,0,0)]

Let a be a 3xx3 matric such that [(1,2,3),(0,2,3),(0,1,1)]=[(0,0,1),(1,0,0),(0,1,0)] , then find A^(-1) .

If A^(-1)=[{:(,1,-1,0),(,0,-2,1),(,0,0,-1):}] then

If A = [(-1,2),(3,1)],B=[(1,0),(-1,0)] then the value of 2A+B+2I=