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Question

If A=⎡⎢⎣0c−b−c0ab−a0⎤⎥⎦ and B=⎡⎢⎣a2abacabb2bcacbcc2⎤⎥⎦, then AB=

A
B
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B
I
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C
O
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D
A
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Solution

The correct option is C O
AB=0cbc0aba0a2abacabb2bcacbcc2=abcabcb2cb2cbc2bc2a2c+a2cabc+abcac2+ac2a2ba2bab2ab2abcabc=O

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