1
answer
0
watching
105
views
lilaccrow353Lv1
6 Nov 2019
Problem 6 Let n be a natural number. (a) Then 4^n + 15n - 1 is divisible by nine. (b) If n is odd, then n^2 has a remainder of one when divided by eight. Let x, y, z elementof Z so that x^2 + y^2 = z^2. Show that five is a factor of xyz. Show transcribed image text
Problem
6
Let n be a natural number. (a) Then 4^n + 15n - 1 is divisible by nine. (b) If n is odd, then n^2 has a remainder of one when divided by eight. Let x, y, z elementof Z so that x^2 + y^2 = z^2. Show that five is a factor of xyz.
Show transcribed image text Reid WolffLv2
10 Mar 2019