\(\sqrt{5x+3}=\sqrt{3-\sqrt{2}}\)
\(\Leftrightarrow\sqrt{5x+3}^2=\sqrt{3-\sqrt{2}}^2\)
\(\Leftrightarrow5x+3=3-\sqrt{2}\)
\(\Leftrightarrow5x=-\sqrt{2}\)
\(\Leftrightarrow x=\frac{-\sqrt{2}}{5}\)
\(\sqrt{5x+3}=\sqrt{3-\sqrt{2}}\)
\(\Leftrightarrow\sqrt{5x+3}^2=\sqrt{3-\sqrt{2}}^2\)
\(\Leftrightarrow5x+3=3-\sqrt{2}\)
\(\Leftrightarrow5x=-\sqrt{2}\)
\(\Leftrightarrow x=\frac{-\sqrt{2}}{5}\)
giải pt: \(\sqrt{3x^2-5x+1}-\sqrt{x^2-2}=\sqrt{3\left(x^2-x-1\right)}-\sqrt{x^2-3x+4}\)
giải pt sau
a)\(\sqrt{x^2-6x+9}=3\)
b)\(\sqrt{x+2\sqrt{x-1}}=2\)
c)\(\dfrac{\sqrt{5x-4}}{\sqrt{x+2}}=2\)
d)\(\sqrt{x-4}+\sqrt{x+1}=5\)
Help
Giải pt
\(\sqrt{x^2+5x+3}+\sqrt{x^2+5x-2}=5\)
giải pt : 3\(\sqrt[3]{3x-2}+3\sqrt{6-5x}-8=0\)
giải các pt sau
x\(^2+5x+\sqrt{x^2+5x+4}=2\)
\(\left(x+5\right)\left(2-x\right)=3\sqrt{x^2+3x}\)
giải hệ PT: \(\hept{\begin{cases}\sqrt{3}x-y=1\\5x+\sqrt{2}y=\sqrt{3}\end{cases}}\)
giải pt :
\(\sqrt{2x+3}+\sqrt{x+1}=3x+2\sqrt{2x^2+5x+3}-16\)
\(\sqrt[3]{x^3+5x^2}-1=\sqrt{\frac{5x^2-2}{6}}\)
Giải pt :
Help me :33
giải pt \(\sqrt[3]{x+1}+\sqrt[3]{x-1}=\sqrt[3]{5x}\)