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A root of the equation |(3 - x,-6,3),(-6,3 - x, 3),(3,3,-6 - x)| = 0 is … (a) 6 (b) 3 (c) 0 (d) -6

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A root of the equation \(\begin{vmatrix} 3 - x &-6&3 \\[0.3em]-6&3 - x&3\\3&3&- 6 - x\end{vmatrix}\) = 0 is …

(a) 6 

(b) 3 

(c) 0 

(d) -6

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1 Answer

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Answer is (c) 0 

asked May 24, 2023 in Matrices and Determinants by (15 points) How it became -x in R1
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