1) \(\sqrt{x-1}=\sqrt{2x+3}\)
2) \(\sqrt{2x-3}=\sqrt{x-1}\)
3) \(\sqrt{2-x}=\sqrt{3+x}\)
4) \(\sqrt{4x-8}=2\sqrt{x-2}\)
5) \(\sqrt{x^2-5}\sqrt{4x-9}\)
6) \(\sqrt{x-2}=\sqrt{x^2-2x}\)
7) \(\sqrt{x^2-3x}=\sqrt{15-5x}\)
8) \(\sqrt{4x^2-9}=\sqrt{-20-18}\)
Có điều kiện cho từng câu hộ mình nhé!!!
9) \(\sqrt{x-2}=\sqrt{x-2}\)