x2 ๋ธ”๋ฃจ์‰˜ํ•‘๋‹ท ์“ฐ๊ณ ์žˆ๋Š”๋ฐ ํด๋ฆญ๊ฐ์ด ์ข€ ์„ผ๋А๋‚Œ์ด๋ผ ๊ด‘ํด์ด ์ž˜ ์•ˆ๋Œ.

์‰˜์€ ๋ง˜์— ๋“œ๋Š”๋ฐ x2v2๋Š” ํด๋ฆญ๊ฐ ์–ด๋ค?