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Matrices and Determinants question

2024 · 31 Jan · Shift 1 · Q43
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Matrices and Determinants question

2024 · 31 Jan · Shift 1 · Q43

JEE MainMathematicsMatrices and DeterminantsMCQ+4 / −1
If the system of linear equations x−2y+z=−42x+αy+3z=53x−y+βz=3\begin{aligned} & x-2 y+z=-4 \\ & 2 x+\alpha y+3 z=5 \\ & 3 x-y+\beta z=3 \end{aligned}​x−2y+z=−42x+αy+3z=53x−y+βz=3​ has infinitely many solutions, then 12α+13β12 \alpha+13 \beta12α+13β is equal to
  1. A
    60
  2. B
    54
  3. C
    64
  4. D
    58
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