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JEE Advanced Mathematics question

MathematicsMatricesJEE Advanced

If the system of equations , and has a nonzero solution then the possible values of are

Answer: (D)

Solution

A homogeneous system has a non-zero solution iff the coefficient determinant vanishes:

Missing \end{vmatrix}\begin{vmatrix} 1 & -k & -1 k &

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Question ID VK-110507