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|{:(1,2,3),( 4,5,6),( 7,8,9):}| is equal...

`|{:(1,2,3),( 4,5,6),( 7,8,9):}|` is equal to

A

`-1`

B

0

C

1

D

None of these

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The correct Answer is:
B
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The cofactor of the element 4 in the determinant |{:(1,2,3),(4,5,6),(7,8,9):}| .

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If A={1,4, 7,8}, B={4,6,8,9} and C={3,4,5, 7} be three subsets of a universal set U ={1,2, 3, 4,5, 6, 7,8, 9} . Then, A uu (Bnn C') is equal to

IPUCET PREVIOUS YEAR PAPERS-IPU QUESTION PAPER 2018-MATHEMATICS
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