\( \begin{vmatrix} 1+x & x & 2 \\ 3 & 2 & 1 \\ 2 & 5 & 7 \end{vmatrix} = 0, x = ? \)

A \( \frac{5}{2} \)

B \( \frac{31}{10} \)

C \( \frac{3}{37} \)

D None

Solution

Correct Answer: Option B

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