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Matrices and Determinants · 2021 · 20 Jul · Shift 1

3 Mathematics questions from this JEE Main paper
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Matrices and Determinants · 2021 · 20 Jul · Shift 1

3 Mathematics questions from this JEE Main paper

  1. Q26.Let A=[2a​30​], a ∈ R be written as P + Q where P is a symmetric matrix and Q is skew symmetric matrix. If det(Q) = 9, then the modulus of the sum of all possible…
    Mathematics · Matrices and Determinants · MCQ
  2. Q38.Let A=​100​−110​0−11​​ and B = 7A20 − 20A7 + 2I, where I is an identity matrix of order 3 × 3. If B = [bij], then b13is…
    Mathematics · Matrices and Determinants · Numerical
  3. Q42.Let a, b, c, d in arithmetic progression with common difference λ. If ​x+a−cx−1x−b+d​x+bx+cx+d​x+ax+bx+c​​=2…
    Mathematics · Matrices and Determinants · Numerical