z12

  1. M

    Find the number of primitive roots in Z_101, Z_12

    Find the number of primitive roots in \mathbb{Z}_{101}, \mathbb{Z}_{12}. I cannot find an example from my lecture notes about primitive roots in \mathbb{Z}_n. What is the definition of primitive roots in \mathbb{Z}_n? The answers are 40 and none respectively.
  2. Y

    (z-1)^2 < 1 is..

    The set of real numbers z such that (z-1)^2 < 1 is an open interval in the form (a,b). Express a and b as integers.