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solve-the-eqution-determinant-x-3-1-1-7-x-5-1-6-6-x-1-0-




Question Number 10243 by j.masanja06@gmail.com last updated on 31/Jan/17
solve the eqution        determinant (((x−3),1,(−1)),((−7),(x+5),(−1)),((−6),6,(x−1)))=0
$$\mathrm{solve}\:\mathrm{the}\:\mathrm{eqution} \\ $$$$\:\:\:\:\:\begin{vmatrix}{\mathrm{x}−\mathrm{3}}&{\mathrm{1}}&{−\mathrm{1}}\\{−\mathrm{7}}&{\mathrm{x}+\mathrm{5}}&{−\mathrm{1}}\\{−\mathrm{6}}&{\mathrm{6}}&{\mathrm{x}−\mathrm{1}}\end{vmatrix}=\mathrm{0} \\ $$$$ \\ $$

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