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Matrices and Determinants · 2021 · 27 Aug · Shift 1

2 Mathematics questions from this JEE Main paper
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Matrices and Determinants · 2021 · 27 Aug · Shift 1

2 Mathematics questions from this JEE Main paper

  1. Q25.If the matrix A=(0K​2−1​) satisfies A(A3+3I)=2I, then the value of K is :
    Mathematics · Matrices and Determinants · MCQ
  2. Q38.If the system of linear equations 2x + y − z = 3 x − y − z =α 3x + 3y +β z = 3 has infinitely many solution, then α+β−αβ is equal to ​.
    Mathematics · Matrices and Determinants · Numerical