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❓ Question Let the system of equations { 2 x + 3 y + 5 z = 9 7 x + 3 y − 2 z = 8 12 x + 3 y − ( 4 + λ ) z = 16 − μ \begin{cases} 2x + 3y + 5z = 9…

❓ Question Let A A be a 3 × 3 3 \times 3 3 × 3 matrix such that ∣ adj ⁡ ( adj ⁡ ( adj ⁡ A ) ) ∣ = 81. If S = { n ∈ Z : ∣ adj ⁡ ( adj ⁡ A ) ∣ (…