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Let A be a matrix of order 3 × 3 and |A|=5. If |2 adj(3 ~A adj(2 ~A))|=2^α · 3^β · 5^γ α, β, γ ∈ N then α+β+γ is equal to

JEE Main 2025 — Mathematics Algebra

2025mcqmedium

Let AAA be a matrix of order 3×33 \times 33×3 and ∣A∣=5|A|=5∣A∣=5. If ∣2adj⁡(3 Aadj⁡(2 A))∣=2α⋅3β⋅5γα,β,γ∈N|2 \operatorname{adj}(3 \mathrm{~A} \operatorname{adj}(2 \mathrm{~A}))|=2^\alpha \cdot 3^\beta \cdot 5^\gamma \alpha, \beta, \gamma \in \mathrm{N}∣2adj(3 Aadj(2 A))∣=2α⋅3β⋅5γα,β,γ∈N then α+β+γ\alpha+\beta+\gammaα+β+γ is equal to

Official previous-year question

Held on 3 Apr 2025 · Verified 6 Jul 2026.

Options

  1. A

    252525

  2. B

    262626

  3. C

    272727

  4. D

    282828

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