Question

If $\left| \begin{matrix} x + 1 & 1 & 1 \\ 2 & x + 2 & 2 \\ 3 & 3 & x + 3 \end{matrix} \right| = 0,$ then x is.

• A. 0, – 6
• B. 0, 6
• C. 6
• D. – 6

Answer 1

Answer: (A)

0, – 6

Answer 2

From options put $x = 0,6$ and –6. Then only option (1) is satisfying.