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JEE Main 2009 Mathematics question

MathematicsDeterminantsJEE Main 2009

Let a, b, c be such that . If , then the value of ' ' is

Answer: (3)

Solution

Transposing the second determinant and taking out of its last column gives columns (a+1, b+1, c−1), (a−1, b−1, c+1), (a, −b, c) — a cyclic permutation of the

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Question ID VK-039185