(8-xy)( \frac{ 1 }{ \sqrt{ 5 } } \sqrt{ 5) }
Baholash
8-xy
x ga nisbatan hosilani topish
-y
Baham ko'rish
Klipbordga nusxa olish
\left(8-xy\right)\times \frac{\sqrt{5}}{\left(\sqrt{5}\right)^{2}}\sqrt{5}
\frac{1}{\sqrt{5}} maxrajini \sqrt{5} orqali surat va maxrajini koʻpaytirish orqali ratsionallashtiring.
\left(8-xy\right)\times \frac{\sqrt{5}}{5}\sqrt{5}
\sqrt{5} kvadrati – 5.
\frac{\left(8-xy\right)\sqrt{5}}{5}\sqrt{5}
\left(8-xy\right)\times \frac{\sqrt{5}}{5} ni yagona kasrga aylantiring.
\frac{\left(8-xy\right)\sqrt{5}\sqrt{5}}{5}
\frac{\left(8-xy\right)\sqrt{5}}{5}\sqrt{5} ni yagona kasrga aylantiring.
\frac{\left(8-xy\right)\times 5}{5}
5 hosil qilish uchun \sqrt{5} va \sqrt{5} ni ko'paytirish.
8-xy
5 va 5 ni qisqartiring.
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}