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If A=[1" "-1" "2],B=[{:(-1,3),(4,3),(7...

If `A=[1" "-1" "2],B=[{:(-1,3),(4,3),(7,-1):}]` then AB is :

A

`(-9,2)`

B

`[7]`

C

`[{:(9),(-2):}]`

D

`[9,-2]`

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The correct Answer is:
D
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