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If A=[{:(1,0,0),(0,1,0),(a,b,-1):}] then...

If `A=[{:(1,0,0),(0,1,0),(a,b,-1):}]` then `A^(2)` is equal to

A

unit matrix

B

`sum a_n`

C

Zero

D

none of these

Text Solution

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The correct Answer is:
A
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