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If \(\begin{bmatrix} 3 & 5 \\[0.3em] 7 & 9 \end{bmatrix}\) then adjoint of X = 

(A) \(\begin{bmatrix} -3 & 5 \\[0.3em] -7 & 9 \end{bmatrix}\)

(B) \(\begin{bmatrix} 9 & -5 \\[0.3em] -7 & 3 \end{bmatrix}\) 

(C) \(\begin{bmatrix} -9 & 5 \\[0.3em] 7 & -3 \end{bmatrix}\)

(D) None of these

X = [(3,5),(7,9)]

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