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Let S be the set of all 2 x 2 symmetric ...

Let S be the set of all 2 x 2 symmetric matrices whose entries are either zero or one. A matrix X is chosen from S. The probability that the determinant of X is not zero is a) 1/3 b)1/2 c)3/4 d)1/4

A

`1//3`

B

`1//2`

C

`3//4`

D

`1//4`

Text Solution

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The correct Answer is:
B
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