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Matrices and Determinants question

2025 · 8 Apr · Shift 2 · Q38
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Matrices and Determinants question

2025 · 8 Apr · Shift 2 · Q38

JEE MainMathematicsMatrices and DeterminantsMCQ+4 / −1
Let A=[22+p2+p+q46+2p8+3p+2q612+3p20+6p+3q]A = \begin{bmatrix} 2 & 2+p & 2+p+q \\ 4 & 6+2p & 8+3p+2q \\ 6 & 12+3p & 20+6p+3q \end{bmatrix}A=​246​2+p6+2p12+3p​2+p+q8+3p+2q20+6p+3q​​. If det⁡(adj(adj(3A)))=2m⋅3n\det(\text{adj}(\text{adj}(3A))) = 2^m \cdot 3^ndet(adj(adj(3A)))=2m⋅3n, m,n∈Nm, n \in \mathbb{N}m,n∈N, then m+nm + nm+n is equal to
  1. A
    22
  2. B
    20
  3. C
    24
  4. D
    26
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