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Algebra: Least Common Multiple

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Let n ≥ 2 and k be any positive integers. Prove that (n - 1) | (nk - 1).

(We can use induction.)
(Please show each step of your solution. Thank you.)

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Solution Summary

This shows how to prove that a given number is a divisor.

Solution provided by:
Chris Busu, PhD (IP)
Education
  • BSc, University of Bucharest
  • MSc, Ovidius
  • MSc, Stony Brook
  • PhD (IP), Stony Brook
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