Mathematics · Polynomials and Divisibility
Let S = {x3 + ax2 + bx + c : a, b, c ∈ &mathbb;Z, -4 ≤ a, b, c ≤ 4} be a set of polynomials. Then the number of polynomials in S which are divisible by x2 + 1 is equal to:
- 111
- 28
- 310
- 49✓
Correct answer
9
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