4 ms·2, 4, 4, 6. The second vector is recycled along the first one: 1 + 1, 2 + 2, 3 + 1, 4 + 2.by jmcphers 11y ago2, 4, 4, 6. The second vector is recycled along the first one: 1 + 1, 2 + 2, 3 + 1, 4 + 2.