Mathematics · Number System
Consider the following statements for any positive integer n: 1. n3 - n is divisible by 6. 2. n5 - n is divisible by 5. 3. n5 - 5n3 + 4n is divisible by 120. Which of the statements given above are correct?
- 11, 2 and 3✓
- 21 and 3 only
- 32 and 3 only
- 41 and 2 only
Correct answer
1, 2 and 3
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