Whakaoti mō r
\left\{\begin{matrix}r<0\text{, }&a>2Lk\\r>0\text{, }&a<2Lk\end{matrix}\right.
Whakaoti mō k
\left\{\begin{matrix}k>\frac{a}{2L}\text{, }&\left(L>0\text{ and }r>0\right)\text{ or }\left(L<0\text{ and }r<0\right)\\k\in \mathrm{R}\text{, }&\left(a>0\text{ and }r<0\text{ and }L=0\right)\text{ or }\left(a<0\text{ and }r>0\text{ and }L=0\right)\\k<\frac{a}{2L}\text{, }&\left(r>0\text{ and }L<0\right)\text{ or }\left(L>0\text{ and }r<0\right)\end{matrix}\right.
Tohaina
Kua tāruatia ki te papatopenga
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
4 \sin \theta \cos \theta = 2 \sin \theta
whārite paerangi
y = 3x + 4
Arithmetic
699 * 533
Poukapa
\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]
whārite Simultaneous
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Whakarerekētanga
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Whakaurunga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}