MCQ
When p(x) = x3 - 3x2 + 4x + 32 is divided by (x + a), the remainder is:
- A4
- B0
- C36
- D32
✓
Answer
- 4
Solution:
x + 2 = 0 ⇒ x = -2
By the remainder theorem, we know that when p(x) is divided by (x + 2), the remainder is p(-2).
Now, we have:
p(-2) = (-2)3 - 3 × (-2)2 + 4 × (-2) + 32
= -8 - 12 - 8 + 32
= 4
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