Bite-size chunks of incredibly important mathematics Proof Some basics: If n is an integer, consecutive integers could be either side i.e. n-1, n, n+1, n+2 etc. Regardless of whether n is even or odd, 2n will be even, and 2n-1, and 2n+1 will be odd Multiples of 2, 3 and 5 are written 2n, 3n, 5n respectively … Continue reading