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Matrices and Determinants question

2009 · Shift 1 · Q38
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  5. /2009 · Shift 1 · Q38

Matrices and Determinants question

2009 · Shift 1 · Q38

JEE AdvancedMathematicsMatrices and DeterminantsMCQ+3 / −1
Let A be the set of all 3 ×\times× 3 symmetric matrices all of whose entries are either 0 or 1. Five of these entries are 1 and four of them are 0.The number of matrices in A is
  1. A
    12
  2. B
    6
  3. C
    9
  4. D
    3
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