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Matrices and Determinants · 2020 · 2 Sep · Shift 1

2 Mathematics questions from this JEE Main paper
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Matrices and Determinants · 2020 · 2 Sep · Shift 1

2 Mathematics questions from this JEE Main paper

  1. Q20.Let S be the set of all λ∈ R for which the system of linear equations 2x – y + 2z = 2 x – 2y +λ z = –4 x + λ y + z = 4 has no solution. Then the set S :
    Mathematics · Matrices and Determinants · MCQ
  2. Q25.Let A be a 2 × 2 real matrix with entries from {0, 1} and |A| e 0. Consider the following two statements : (P) If A e I2 , then |A| = –1 (Q) If |A| = 1, then tr(A) = 2, where I2 denotes 2 × 2 identity matrix and tr(A)…
    Mathematics · Matrices and Determinants · MCQ