Question

show that every positive even integer can be written in the form 2q, free some integer q​

Answer 1

Answer:

According to Euclid's Division Lemma if we have two positive integers a and b, then there exist unique integers q and r which satisfies the condition a = bq + r where 0 ≤ r ≤ b. If a is of the form 2q, then a is an even integer. ... Therefore, any positive odd integer is of form