Which of the following is a multiple of 5, \forall n\in N?
A. \quad n^6-n^2+10
B. \quad n^{15}-n^{13}+25
C. \quad n^5-n-25
D. \quad n^{13}-n^{15}+35
E. None
A or C?
number theory
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Hmmm, not sure what "/quad" means.kanika123 wrote:Which of the following is a multiple of 5, \forall n\in N?
A. \quad n^6-n^2+10
B. \quad n^{15}-n^{13}+25
C. \quad n^5-n-25
D. \quad n^{13}-n^{15}+35
E. None
A or C?
Can you repost the questions?
Cheers,
Brent