giải pt :
a,\(\sqrt[3]{\dfrac{2x}{x+1}}\sqrt[3]{\dfrac{1}{2}+\dfrac{1}{2x}}=2\)
b,\(\sqrt[5]{\dfrac{16x}{x-1}}\sqrt[5]{\dfrac{x-1}{16xx}}=\dfrac{5}{2}\)
giải pt :
a,\(2x^2-11x+21=3\sqrt[3]{4x-4}\)
b,\(\dfrac{\sqrt{x-3}}{\sqrt{2x-1}-1}=\dfrac{1}{\sqrt{x+3}-\sqrt{x-3}}\)
c,\(\left(\sqrt{x^2+x+1}+\sqrt{4x^2+x+1}\right)\left(\sqrt{5x^2+1}-\sqrt{2x^2+1}\right)=3x^2\)
giải pt :
a, \(\dfrac{\sqrt{x-3}}{\sqrt{2x-1}-1}=\dfrac{1}{\sqrt{x+3}-\sqrt{x-3}}\)
b, \(\left(\sqrt{x^2+x+1}+\sqrt{4x^2+x+1}\right)\left(\sqrt{5x^2+1}-\sqrt{2x^2+1}\right)=3x^2\)
giải phương trình :
a, \(\dfrac{4x-1}{\sqrt{4x-3}}+\dfrac{11-2x}{\sqrt{5-x}}=\dfrac{15}{2}\)
b, \(\left(\sqrt{5x-1}+\sqrt{x-1}\right)\left(3x-1-\sqrt{5x^2-6x+1}\right)=4x\)
giải phương trình :
a, \(\sqrt{x^2+3x}+2\sqrt{x+2}=2x+\sqrt{x+\dfrac{6}{x}+5}\)
b, \(\dfrac{x+2+x\sqrt{2x+1}}{x+\sqrt{2x+1}}=\sqrt{x+2}\)
giải pt :
a, \(4x^2-6x+1+\dfrac{1}{\sqrt{3}}\sqrt{16x^4+4x^2+1}=0\)
b, \(x^2-3x+1+\dfrac{1}{\sqrt{3}}\sqrt{x^4+x^2+1}=0\)
giải phương trình :
a,\(\sqrt{2x^2+13x+5}+\sqrt{2x^2-3x+5}=8\sqrt{x}\)
b, \(\sqrt{x^2-\dfrac{4}{3}}+2\sqrt{x^2-1}=x\)
giải phương trình
a,\(\dfrac{9}{x^2}+\dfrac{2x}{\sqrt{2x^2+9}}=1\)
b,\(\left(x^2+1\right)=5-x\sqrt{2x^2+4}\)
giải phương trình :
a, \(2x^2-11x+21-3\sqrt[3]{4x-4}=0\)
b, \(\left(3x-2\right)\sqrt{x+1}-x^2-x-2=0\)
c, \(x+4-2\left(\dfrac{x+2}{x-1}\right)\sqrt{\dfrac{x-1}{x+2}}=0\)
