\(\sqrt{4-5x}=2\)11
\(\sqrt{x^2+2}-1=x\) 
12
\(125^x=\sqrt[3]{5}\)13
\(\frac{10}{\sqrt{x^2\,+\:1}}=\sqrt{x^2+1}\)14
\(\frac{2x}{x\,-\,2}=\frac{2}{x\,+\,2}-\frac{x\,-\,6}{x^2\,-\:4}\)15
\(\sqrt{-x}=\frac{3}{5}\) 16
\(\sqrt{x-2}=x-4\) 17
\(\sqrt{4-\frac{x}{3}}=\sqrt{\frac{4}{3}}\) 18
\(\small x+\sqrt{x^{2}}+\sqrt{x^{3}}=\sqrt{x^{4}}\) 20
\(\sqrt{5x+1}=x-1\) 21
\(-3\, \sqrt{x-5}=x-3\)22
twee irrationale vgln.23
irrationale vergelijking24
\(\frac{2}{3\,-\,x}+ \frac12 = \frac{6}{x\, (3\,-\,x)} \)25
\(\sqrt{5x+1}+2x=2\)26
irrationale vergelijking27
\(\sqrt{7x+1}=x-1\)28
\(\sqrt[4]{x-\sqrt{40}}\cdot \sqrt[4]{x+\sqrt{40}}=3 \)29
\(\small \sqrt{x+\sqrt{2x+6}}-\sqrt{x-\sqrt{2x+6}}=2\)30
\(\sqrt{x+15}+\sqrt{x}=15\)31
\(\sqrt x+\!\sqrt x+\!\sqrt x=\sqrt x\cdot\sqrt x\cdot\sqrt x \)32
\(\sqrt{x^2}-6=\frac x2\) 33
welke GEEN opln? 34
\(x^2\cdot x^{-\frac12}=4\)35
\(x^{\frac 12}\cdot x^{-\frac14}=\sqrt[3]{8}\)36
\(\sqrt{x}\cdot \sqrt[3]{x}=2^{30}\)37
bestaansvoorwaarde 38
\(\mathbf{x\,\sqrt x=x+\sqrt x}\) 39
\(\sqrt{x^4+5x^2}=-3x\) 40
\(\frac{20}{50}=\sqrt{\frac{x}{50}}\) 41
\(\sqrt x+\sqrt{2-x}+\sqrt{x^2-3x}=\sqrt2\) 50
\(\small \sqrt x+\!\sqrt x+\!\sqrt x+\!\sqrt x=\sqrt x\,.\sqrt x\,.\sqrt x\,.\sqrt x\) 51
\(\sqrt x+\frac{1}{\sqrt x}+\frac{1}{\frac{1}{\sqrt x}}+\frac{1}{\frac{1}{\frac{1}{\sqrt x}}}=8\)52
\(\frac{\sqrt{3\,+\,x}\:+\:\sqrt{3\,-\,x}}{\sqrt{3\,+\,x}\:-\:\sqrt{3\,-\,x}}=3\)53
\(\scriptsize 4\sqrt{4\sqrt{4\sqrt{4\sqrt{4\sqrt{4\cdots }}}}}\)54
welke irrat.vgl.?55
\(\small \boldsymbol{ \sqrt[3]{x-2}-\sqrt[3]{x}+ \sqrt[3]{x+2}=0} \)56
57
\(\sqrt[3]{x+17}+\sqrt[3]{2-x}=1\) 58
\(x\cdot \sqrt x=x+\sqrt x\)