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Solve the Equation for X ∣x12x∣=−1\left| \begin{array} { l l } x & 1 \\2 & x\end{array} \right| = - 1

Question 323

Multiple Choice

Solve the equation for x.
- ∣x12x∣=−1\left| \begin{array} { l l } x & 1 \\2 & x\end{array} \right| = - 1


A) {1}\{ 1 \}
B) {−1}\{ - 1 \}
C) {−1,1}\{ - 1,1 \}
D) ∅\varnothing

Correct Answer:

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