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Show that |{:(a-b-c," "2a," "2a),(" "...

Show that `|{:(a-b-c," "2a," "2a),(" "2b,b-c-a," "2b),(" "2c," "2c,c-a-b):}|=(a+b+c)^(3)`

A

0

B

`1+ b+ c`

C

`(a+b+c) ^(2)`

D

`(a+b+c)^(3)`

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The correct Answer is:
B
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