1.2 + 2√6, 2 + √6, 2, 2 – 2√6, 2 – √6
2.2 + 2√6, 2 + √6, 2 – 2√6, 2 – √6
3.2 + 2√6, 2 – √6, 2, 2 – 2√6, 2 – √6
4.2 + 2√6, 2, 2 – 2√6, 2 – √6
Answer:1