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Matrices and Determinants · 2025 · 7 Apr · Shift 1

3 Mathematics questions from this JEE Main paper
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Matrices and Determinants · 2025 · 7 Apr · Shift 1

3 Mathematics questions from this JEE Main paper

  1. Q33.Let A be a 3×3 matrix such that ∣adj(adj(adjA))∣=81. If S={n∈Z:(∣adj(adjA)∣)2(n−1)2​=∣A∣(3n2−5n−4)}…
    Mathematics · Matrices and Determinants · MCQ
  2. Q36.Let the system of equations : ​2x+3y+5z=97x+3y−2z=812x+3y−(4+λ)z=16−μ​ have infinitely many solutions. Then the radius of the circle centred at (λ,μ) and…
    Mathematics · Matrices and Determinants · MCQ
  3. Q46.The number of singular matrices of order 2 , whose elements are from the set {2,3,6,9}, is ​.
    Mathematics · Matrices and Determinants · Numerical