x uchun yechish
x = \frac{7}{2} = 3\frac{1}{2} = 3,5
Grafik
Viktorina
Polynomial
4 ^ { x } = 128
Baham ko'rish
Klipbordga nusxa olish
4^{x}=128
Tenglamani yechish uchun eksponent va logaritmlarning qoidalaridan foydalanish.
\log(4^{x})=\log(128)
Tenglamaning ikkala tarafiga tegishli logaritmni chiqarish.
x\log(4)=\log(128)
Darajaga ko'tarigan logaritm raqami raqam logaritmining darajasidir.
x=\frac{\log(128)}{\log(4)}
Ikki tarafini \log(4) ga bo‘ling.
x=\log_{4}\left(128\right)
Asosiy tenglamani almashtirish orqali \frac{\log(a)}{\log(b)}=\log_{b}\left(a\right).
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}