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MathsJEE Main 24 Jan 2026, Shift 2·Q8·MCQ·Moderate

Matrices & Determinants · Determinant and adjoint properties

Let P=[pij]P = [p_{ij}] and Q=[qij]Q = [q_{ij}] be two square matrices of order 3 such that qij=2(i+j−1)pijq_{ij} = 2^{(i + j - 1)}p_{ij} and det⁡(Q)=210\det(Q) = 2^{10}. Then the value of det⁡(adj⁡(adj⁡P))\det(\operatorname{adj}(\operatorname{adj} P)) is:
  1. (1)32
  2. (2)16
  3. (3)81
  4. (4)124

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