brettriley4514 brettriley4514
  • 06-06-2023
  • Mathematics
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Write out the units in Z/31. For each unit [a] find its inverse [b], namely given gcd(a, 31) = 1 find b € Z so that ab = 1 (mod 31). Use this information to solve 45 = 7 (mod 31).

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