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A={:[(k//2,0,0),(0,l//3,0),(0,0,m//4)]:}...

`A={:[(k//2,0,0),(0,l//3,0),(0,0,m//4)]:}and A^(-1)={:[(1//2,0,0),(0,1//3,0),(0,0,1//4)]:}`, then k+l+m=

A

1

B

9

C

14

D

29

Text Solution

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The correct Answer is:
D
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