The determinant |1 a a²; 1 b b²; 1 c c²| is equal to:
The determinant |1 a a²; 1 b b²; 1 c c²| is equal to:
- A. (a−b)(b−c)(c−a)
- B. (a+b)(b+c)(c+a)
- C. abc
- D. a+b+c
Answer: A) (a−b)(b−c)(c−a)
Explanation: This is the Vandermonde determinant, which equals (a−b)(b−c)(c−a).
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