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If I(3) is identity matrix of order 3, t...

If `I_(3)` is identity matrix of order 3, then `I_(3)^(-1)=`

A

0

B

`3I_(3)`

C

`I_(3)`

D

does not exist

Text Solution

Verified by Experts

The correct Answer is:
c
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TARGET PUBLICATION-MATRICES-COMPETITIVE THINKING (Inverse off a matrix )
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  2. Let A=[1 0 0 0 1 1 0-2 4],I=[1 0 0 0 1 0 0 0 1]a n dA^(-1)=[1/6(A^2+c ...

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  3. If I(3) is identity matrix of order 3, then I(3)^(-1)=

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  4. If for the matrix A ,\ A^3=I , then A^(-1)= A^2 (b) A^3 (c) A (d) non...

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  10. IF A =[(1,2,3),(-1,1,2),( 1,2,4)]"then " (A^(2) -5A) A^(-1)=

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  11. If [(1,1),(-1,1)] [(x),(y)]=[(2),(4)], then the values of x and respec...

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  18. If A=[(cos theta,sin theta,0),(-sin theta,cos theta,0),(0,0,1)], where...

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