Test Index

IIT JEE Advanced 2009 Paper 1

Paragraph for Questions 36–38:
Let Λ be the set of all 3×3 symmetric matrices all of whose entries are either 0 or 1 . Five of these entries are 1 and four of them are 0 .

Question : 56

Total: 60

The number of matrices in Λ is

Validate

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