Question

Exercise 15.3. Suppose a and b are complex numbers. 1. Verify that N (ab) = N (a) N (b) 2. Check that if a is in Z-m|, then N (a) is an 3. Deduce that if a and b are both in ZV-m, then N (a) N (b) is a factor- ization of the integer N (ab) integer _ product of two integers. as a Rather than proving Theorem 15.3, we will prove the following refinement of it

Answer 1

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