MCQ
The remainder when $x^{31}-31$ is divided by $x+1$ is
- ✓$-32$
- B$31$
- C$30$
- D$0$
✓
Answer
Correct option: A.
$-32$
$x^{31}-31$
Using remainder theorem.
$=(-1)^{31}-31$
$=-1-31$
$=-32$
Using remainder theorem.
$=(-1)^{31}-31$
$=-1-31$
$=-32$
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