Baholash
2\left(\sqrt{5}+3\right)\approx 10,472135955
Kengaytirish
2 \sqrt{5} + 6 = 10,472135955
Baham ko'rish
Klipbordga nusxa olish
\left(\sqrt{5}\right)^{2}+2\sqrt{5}+1
\left(a+b\right)^{2}=a^{2}+2ab+b^{2} binom teoremasini \left(\sqrt{5}+1\right)^{2} kengaytirilishi uchun ishlating.
5+2\sqrt{5}+1
\sqrt{5} kvadrati – 5.
6+2\sqrt{5}
6 olish uchun 5 va 1'ni qo'shing.
\left(\sqrt{5}\right)^{2}+2\sqrt{5}+1
\left(a+b\right)^{2}=a^{2}+2ab+b^{2} binom teoremasini \left(\sqrt{5}+1\right)^{2} kengaytirilishi uchun ishlating.
5+2\sqrt{5}+1
\sqrt{5} kvadrati – 5.
6+2\sqrt{5}
6 olish uchun 5 va 1'ni qo'shing.
Misollar
Ikkilik tenglama
{ x } ^ { 2 } - 4 x - 5 = 0
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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}