The system of equations ax+4y+z=0, bx+3y+z=0, cx+2y+z=0 has nontrivial solutions if a, b, c are in

JEE Advanced Mathematics question

The system of equations , , has nontrivial solutions if are in

Answer: (A)

A homogeneous system has nontrivial solutions if and only if its coefficient determinant is zero:

{vma

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Question ID VK-108281