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Matrices and Determinants · 2021 · 22 Jul · Shift 2

3 Mathematics questions from this JEE Main paper
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Matrices and Determinants · 2021 · 22 Jul · Shift 2

3 Mathematics questions from this JEE Main paper

  1. Q29.The values of λ and μ such that the system of equations x+y+z=6, 3x+5y+5z=26, x+2y+λz=μ has no solution, are :
    Mathematics · Matrices and Determinants · MCQ
  2. Q31.Let A = [aij] be a real matrix of order 3 × 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 :
    Mathematics · Matrices and Determinants · MCQ
  3. Q40.Let A=​010​100​001​​. Then the number of 3 × 3 matrices B with entries from the set {1, 2, 3, 4, 5} and satisfying AB = BA is ​…
    Mathematics · Matrices and Determinants · Numerical