Aromātai
2-4\sqrt{13}\approx -12.422205102
Tauwehe
2 {(1 - 2 \sqrt{13})} = -12.422205102
Tohaina
Kua tāruatia ki te papatopenga
2-12\sqrt{\frac{9+4}{9}}
Whakareatia te 1 ki te 9, ka 9.
2-12\sqrt{\frac{13}{9}}
Tāpirihia te 9 ki te 4, ka 13.
2-12\times \frac{\sqrt{13}}{\sqrt{9}}
Tuhia anō te pūtake rua o te whakawehenga \sqrt{\frac{13}{9}} hei whakawehenga o ngā pūtake rua \frac{\sqrt{13}}{\sqrt{9}}.
2-12\times \frac{\sqrt{13}}{3}
Tātaitia te pūtakerua o 9 kia tae ki 3.
2-4\sqrt{13}
Whakakorea atu te tauwehe pūnoa nui rawa 3 i roto i te 12 me te 3.
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
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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}