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Matrices and Determinants question

2021 · 22 Jul · Shift 2 · Q31
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  5. /2021 · 22 Jul · Shift 2 · Q31

Matrices and Determinants question

2021 · 22 Jul · Shift 2 · Q31

JEE MainMathematicsMatrices and DeterminantsMCQ+4 / −1
Let A = [aij] be a real matrix of order 3 ×\times× 3, such that ai1 + ai2 + ai3 = 1, for i = 1, 2, 3. Then, the sum of all the entries of the matrix A3 is equal to :
  1. A
    2
  2. B
    1
  3. C
    3
  4. D
    9
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