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Matrices and Determinants question

2017 · Shift 2 · Q21
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  5. /2017 · Shift 2 · Q21

Matrices and Determinants question

2017 · Shift 2 · Q21

JEE AdvancedMathematicsMatrices and DeterminantsMCQ+3 / −1
How many 3 ×\times× 3 matrices M with entries from {0, 1, 2} are there, for which the sum of the diagonal entries of MTM is 5?
  1. A
    198
  2. B
    162
  3. C
    126
  4. D
    135
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