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Find the cofactor of element -3 in the determinant Δ=\(\begin{vmatrix}1&4&4\\-3&5&9\\2&1&2\end{vmatrix}\).

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MCQs on determinant, determinants properties and applications, triangle area, minors and cofactors, adjoint and inverse of matrix, determinants and matrices applications.


Find the cofactor of element -3 in the determinant Δ=\(\begin{vmatrix}1&4&4\\-3&5&9\\2&1&2\end{vmatrix}\).





 
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