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Matrices and Determinants question

2021 · 31 Aug · Shift 2 · Q22
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Matrices and Determinants question

2021 · 31 Aug · Shift 2 · Q22

JEE MainMathematicsMatrices and DeterminantsMCQ+4 / −1
If α\alphaα+β\betaβ+γ\gammaγ = 2 π\piπ, then the system of equations x + (cos γ\gammaγ)y + (cos β\betaβ)z = 0 (cos γ\gammaγ)x + y + (cos α\alphaα)z = 0 (cos β\betaβ)x + (cos α\alphaα)y + z = 0 has :
  1. A
    no solution
  2. B
    infinitely many solution
  3. C
    exactly two solutions
  4. D
    a unique solution
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