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Matrices and Determinants · 2019 · 12 Apr · Shift 1

2 Mathematics questions from this JEE Main paper
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Matrices and Determinants · 2019 · 12 Apr · Shift 1

2 Mathematics questions from this JEE Main paper

  1. Q30.If B=​50α​2α23​11−1​​ is the inverse of a 3 × 3 matrix A, then the sum of all values of α for which det(A) + 1 = 0,…
    Mathematics · Matrices and Determinants · MCQ
  2. Q39.If A is a symmetric matrix and B is a skew-symmetric matrix such that A + B = [25​3−1​], then AB is equal to :
    Mathematics · Matrices and Determinants · MCQ