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Matrices and Determinants · 2020 · 3 Sep · Shift 2

1 Mathematics questions from this JEE Main paper
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Matrices and Determinants · 2020 · 3 Sep · Shift 2

1 Mathematics questions from this JEE Main paper

  1. Q28.Let S be the set of all integer solutions, (x, y, z), of the system of equations x – 2y + 5z = 0 –2x + 4y + z = 0 –7x + 14y + 9z = 0 such that 15 ≤ x2 + y2 + z2 ≤ 150. Then, the number of elements in the set S is equal to ​…
    Mathematics · Matrices and Determinants · Numerical