∣2adj(3 Aadj(2 A))∣23⋅∣3 Aadj(2 A)∣223⋅(33)2⋅∣ A∣2⋅∣adj(2 A)∣223⋅36⋅∣ A∣2⋅(∣2 A∣2)223⋅36⋅∣ A∣2[(23)2⋅∣ A∣2]223⋅36⋅∣ A∣2⋅212⋅∣ A∣4215⋅36⋅∣ A∣6215⋅36⋅56=2α⋅3β⋅5γα=15,β=6,γ=6α+β+γ=27
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
Let A be a matrix of order 3×3 and ∣A∣=5. If ∣2adj(3 Aadj(2 A))∣=2α⋅3β⋅5γα,β,γ∈N then α+β+γ is equal to
Held on 3 Apr 2025 · Verified 6 Jul 2026.
Options
- A
25
- B
26
- C
27
- D
28
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