Datrys {l}{F(x)=1/(x+2)^2}{x+2-2=1/2}

$$\left. \begin{array} { l } { F ( x ) = \frac { 1 } { ( x + 2 ) ^ { 2 } } } \\ { x + 2 - 2 = \frac { 1 } { 2 } } \end{array} \right.$$

Datrys ar gyfer F, x

$$x=\frac{1}{2}=0.5$$

$$F=\frac{8}{25}=0.32$$

Camau Ateb

Ystyriwch yr ail hafaliad. Tynnu 2 o 2 i gael 0.

$$x=\frac{1}{2}$$

Ystyriwch yr hafaliad cyntaf. Mewnosod y gwerthoedd sy’n hysbys i’r hafaliad.

$$F\times \frac{1}{2}=\frac{1}{\left(\frac{1}{2}+2\right)^{2}}$$

Adio \frac{1}{2} a 2 i gael \frac{5}{2}.

$$F\times \frac{1}{2}=\frac{1}{\left(\frac{5}{2}\right)^{2}}$$

Cyfrifo \frac{5}{2} i bŵer 2 a chael \frac{25}{4}.

$$F\times \frac{1}{2}=\frac{1}{\frac{25}{4}}$$

Rhannwch 1 â \frac{25}{4} drwy luosi 1 â chilydd \frac{25}{4}.

$$F\times \frac{1}{2}=1\times \frac{4}{25}$$

Lluosi 1 a \frac{4}{25} i gael \frac{4}{25}.

$$F\times \frac{1}{2}=\frac{4}{25}$$

Lluoswch y ddwy ochr â 2, cilyddol \frac{1}{2}.

$$F=\frac{4}{25}\times 2$$

Lluosi \frac{4}{25} a 2 i gael \frac{8}{25}.

$$F=\frac{8}{25}$$

Mae’r system wedi’i datrys nawr.

$$F=\frac{8}{25} x=\frac{1}{2}$$