\left| \begin{array} { l l } { 7 } & { - 8 } \\ { 9 } & { 9 } \end{array} \right|
Baholash
135
Omil
3^{3}\times 5
Viktorina
5xshash muammolar:
\left| \begin{array} { l l } { 7 } & { - 8 } \\ { 9 } & { 9 } \end{array} \right|
Baham ko'rish
Klipbordga nusxa olish
det(\left(\begin{matrix}7&-8\\9&9\end{matrix}\right))
Matritsaning aniqlovchisini topish.
7\times 9-\left(-8\times 9\right)
\left(\begin{matrix}a&b\\c&d\end{matrix}\right) 2\times 2 matritsasi uchun, determinant ad-bc.
63-\left(-8\times 9\right)
7 ni 9 marotabaga ko'paytirish.
63-\left(-72\right)
-8 ni 9 marotabaga ko'paytirish.
135
63 dan -72 ni ayirish.
Misollar
Ikkilik tenglama
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometriya
4 \sin \theta \cos \theta = 2 \sin \theta
Chiziqli tenglama
y = 3x + 4
Arifmetik
699 * 533
Matritsa
\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]
Simli tenglama
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differensatsiya
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Oʻngga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Chegaralar
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}