1, gpt:
\(3\sqrt{1+x}+3\sqrt{3-3x}=\sqrt{28x^2-12x+9}\)
2, giải hpt:
\(\left\{{}\begin{matrix}\dfrac{4}{2x+y}+\dfrac{1}{3x-y}=2\\4x+12y=7\left(2x+y\right)\left(3x-y\right)\end{matrix}\right.\).
Gpt : \(3x^2-4x-7=2\left(x+3\right)\sqrt{2x-1}\)
Giải phương trình:
\(3x-1+\dfrac{x-1}{4x}=\sqrt{3x+1}\)
gpt:
1, (17-6x)\(\sqrt{3x-5}\) + (6x-7)\(\sqrt{7-3x}\) =2 + 8\(\sqrt{36x-9x^2-35}\)
2, \(\left(\dfrac{x-1}{x+2}\right)^2-\dfrac{15}{x^2-4}+4\left(\dfrac{x+1}{x-2}\right)^2=5\)
GPT
\(\sqrt{4x+1}+\sqrt{3x-2}=5\)
Gpt \(\dfrac{3x}{x^2-4x+7}+\dfrac{2x}{x^2-6x+7}=2\)
Giải phương trình:
3x-1+\(\dfrac{x-1}{4x}=\sqrt{3x+1}\)
Giải phương trình:
1, \(x^2+2x\sqrt{x-\dfrac{1}{x}}=3x+1\)
2, \(\left(13-4x\right)\sqrt{2x-3}+\left(4x-3\right)\sqrt{5-2x}=2+8\sqrt{16x-4x^2-15}\)
3, \(7\sqrt{3x-7}+\left(4x-7\right)\sqrt{7-x}=32\)
gpt
\(4\sqrt{x+4}+\sqrt{16-3x}=x^2+4x+12\)