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Solve the Equation for X ∣x003x1221∣=−1\left| \begin{array} { l l l } x & 0 & 0 \\3 & x & 1 \\2 & 2 & 1\end{array} \right| = - 1

Question 478

Multiple Choice

Solve the equation for x.
∣x003x1221∣=−1\left| \begin{array} { l l l } x & 0 & 0 \\3 & x & 1 \\2 & 2 & 1\end{array} \right| = - 1


A) {-1}
B) {4}
C) {1}
D) ∅\varnothing

Correct Answer:

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