\left| \begin{array} { l l } { 7 } & { - 8 } \\ { 9 } & { 9 } \end{array} \right|
Aromātai
135
Tauwehe
3^{3}\times 5
Tohaina
Kua tāruatia ki te papatopenga
det(\left(\begin{matrix}7&-8\\9&9\end{matrix}\right))
Kimihia te tau whakatau o te poukapa.
7\times 9-\left(-8\times 9\right)
Mō te poukapa 2\times 2 \left(\begin{matrix}a&b\\c&d\end{matrix}\right), ko te tau whakatau ko ad-bc.
63-\left(-8\times 9\right)
Whakareatia 7 ki te 9.
63-\left(-72\right)
Whakareatia -8 ki te 9.
135
Tango -72 mai i 63.
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}