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Matrices and Determinants · 2022 · 27 Jul · Shift 1

2 Mathematics questions from this JEE Main paper
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Matrices and Determinants · 2022 · 27 Jul · Shift 1

2 Mathematics questions from this JEE Main paper

  1. Q27.Let A=(1−2​2−5​). Let α,β∈R be such that αA2+βA=2I. Then α+β is equal to
    Mathematics · Matrices and Determinants · MCQ
  2. Q44.Let S be the set containing all 3×3 matrices with entries from {−1,0,1}. The total number of matrices A∈S such that the sum of all the diagonal elements of ATA is 6 is ​.
    Mathematics · Matrices and Determinants · Numerical