User:Vidarlo/Math test

$$\sqrt{2\cdot{}x-3}=x-3$$

$$2\cdot{}x-3=x^2-3^2$$

$$2\cdot{}x-3=x^2-9$$

$$x^2-9+3-2\cdot{}x=0$$

$$x^2-2\cdot{}x-6=0$$

$$x_1\approx{}-1.645\cdots{} \wedge{} x_2\approx{}3.645\cdots{}$$

$$\bar{h}$$

$$\frac{x_0}{y^2}$$

$$\begin{matrix}v_0=\sqrt{2\cdot{}a\cdot{}s}=\sqrt{2\cdot{}9.81^m/_s\cdot{}2.0m}=6.26^m/_s\end{matrix}$$

$$\begin{matrix}v=\sqrt{2\cdot{}g\cdot{}h}=\sqrt{2\cdot{}9.81^m/_s\cdot{}2.0m}=6.26^m/_s\end{matrix}$$

$$\rho{}\cdot{}$$

$$\alpha{}\cdot{}$$