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Matrices and Determinants · 2022 · 29 Jul · Shift 2

3 Mathematics questions from this JEE Main paper
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Matrices and Determinants · 2022 · 29 Jul · Shift 2

3 Mathematics questions from this JEE Main paper

  1. Q24.Which of the following matrices can NOT be obtained from the matrix [−11​2−1​] by a single elementary row operation ?
    Mathematics · Matrices and Determinants · MCQ
  2. Q25.If the system of equations ​x+y+z=62x+5y+αz=βx+2y+3z=14​ has infinitely many solutions, then α+β is equal to
    Mathematics · Matrices and Determinants · MCQ
  3. Q38.Let X=​111​​ and A=​−100​210​36−1​​. For k∈N, if X′AkX=33, then k…
    Mathematics · Matrices and Determinants · Numerical