MCQ
When p(x) = x4 + 2x3 - 3x2 + x - 1 is divided by (x - 2), the remainder is:
- A21
- B0
- C-1
- D-15
✓
Answer
- 21
Solution:
x4 + 2x3 - 3x2 + x - 1
Using remainder theorem,
= (2)4 + 2(2)3 - 3(2)2 + 2 - 1
= 16 + 16 - 12 + 2 - 1
= 34 - 13
= 21
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