(a) Give a direct proof: If 3n+2 is an odd integer then 15n+7 is an even integer. Hint: Let 3n+2 = 2k + 1, where k is an
Posted: Thu May 12, 2022 9:08 am
(a) Give a direct proof: If 3n+2 is an odd integer then 15n+7 is an even integer. Hint: Let 3n+2 = 2k + 1, where k is an integer and solve for n etc.