If |x x+1 x+2; x+2 x x+1; x+1 x+2 x| = 0, then x equals:
If |x x+1 x+2; x+2 x x+1; x+1 x+2 x| = 0, then x equals:
- A. −1
- B. 0
- C. any real number
- D. 1
Answer: C) any real number
Explanation: Sum of rows = 3x+3 each. Taking common, all rows become identical after operations, determinant=0 for all x.
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