Mathematics · Abstract Algebra
Let f(x) ∈ R[x] be a polynomial, where R is a commutative ring with unity. The linear polynomial (x - a) divides f(x) if and only if _______.
- 1f'(a) is equal to 0
- 2f(a) is not equal to 0
- 3f'(a) is not equal to 0
- 4f(a) is equal to 0✓
Correct answer
f(a) is equal to 0
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