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JEE Main 2024 Mathematics question

MathematicsMatricesJEE Main 2024

If the system of equations 2x + 3y − z = 5, x + αy + 3z = −4, 3x − y + βz = 7 has infinitely many solutions, then 13αβ is equal to .

Answer: (C)

Solution

Both the coefficient determinant and the minor $Missing \end{vmatrix}\begin{vmatrix}2 & 3 & 5 1 &

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Question ID VK-011286