Réitigh do h. (complex solution)
\left\{\begin{matrix}h=-r^{-\frac{1}{2}}\sqrt{5S}w\text{; }h=r^{-\frac{1}{2}}\sqrt{5S}w\text{, }&r\neq 0\text{ and }w\neq 0\\h\in \mathrm{C}\text{, }&S=0\text{ and }r=0\text{ and }w\neq 0\end{matrix}\right.
Réitigh do S.
S=\frac{\left(\frac{h}{w}\right)^{2}r}{5}
w\neq 0
Réitigh do h.
\left\{\begin{matrix}h=\sqrt{\frac{5S}{r}}w\text{; }h=-\sqrt{\frac{5S}{r}}w\text{, }&\left(S\geq 0\text{ and }r>0\text{ and }w\neq 0\right)\text{ or }\left(S\leq 0\text{ and }r<0\text{ and }w\neq 0\right)\\h\in \mathrm{R}\text{, }&S=0\text{ and }r=0\text{ and }w\neq 0\end{matrix}\right.
Roinn
Cóipeáladh go dtí an ghearrthaisce
Samplaí
Cothromóid chearnach
{ x } ^ { 2 } - 4 x - 5 = 0
Triantánacht
4 \sin \theta \cos \theta = 2 \sin \theta
Cothromóid líneach
y = 3x + 4
Uimhríocht
699 * 533
Maitrís
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Cothromóid chomhuaineach
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Difreáil
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Comhtháthú
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Teorainneacha
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