Chủ đề:
Bài 1: Căn bậc haiCâu hỏi:
1/ \(\sqrt{x-2}\) - \(\sqrt{1-3x}\) = 0
2/ \(\sqrt{15-x}\) + \(\sqrt{3-x}\) = 6
3/ \(\sqrt{x-1}\) - \(\sqrt{x+1}\) = 2
4/ \(\sqrt{\frac{1}{2}-3x}\) + \(\sqrt{3-\frac{1}{3}x}\) = 0
5/ \(2\sqrt{x-5}\) = \(\sqrt{-3x-2}\)
6/ \(\sqrt{x-1}\) - \(\sqrt{5x-1}\) = \(\sqrt{3x-2}\)