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JEE Main 2026 Mathematics question

MathematicsMatricesJEE Main 2026

Let and . If det(B) = 66, then det(adj(A)) equals:

Answer: (C)

Solution

adj(A)=[[15,3,−6],[−10,5α,4],[8,−4α,3α−2]]. Adding the given matrix and

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Question ID VK-015713