Baholash
2\sqrt{2}+3\approx 5,828427125
Kengaytirish
2 \sqrt{2} + 3 = 5,828427125
Baham ko'rish
Klipbordga nusxa olish
1+2\sqrt{2}+\left(\sqrt{2}\right)^{2}
\left(a-b\right)^{2}=a^{2}-2ab+b^{2} binom teoremasini \left(-1-\sqrt{2}\right)^{2} kengaytirilishi uchun ishlating.
1+2\sqrt{2}+2
\sqrt{2} kvadrati – 2.
3+2\sqrt{2}
3 olish uchun 1 va 2'ni qo'shing.
1+2\sqrt{2}+\left(\sqrt{2}\right)^{2}
\left(a-b\right)^{2}=a^{2}-2ab+b^{2} binom teoremasini \left(-1-\sqrt{2}\right)^{2} kengaytirilishi uchun ishlating.
1+2\sqrt{2}+2
\sqrt{2} kvadrati – 2.
3+2\sqrt{2}
3 olish uchun 1 va 2'ni qo'shing.
Misollar
Ikkilik tenglama
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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
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Oʻngga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Chegaralar
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}