Selesaikan untuk x, z
x=\frac{\sqrt[3]{3\sqrt{249}-46}-\sqrt[3]{3\sqrt{249}+46}+2}{3}\approx -0.477967243\text{, }z=\frac{2\sqrt[3]{3\sqrt{249}+46}+\left(3\sqrt{249}+46\right)^{\frac{2}{3}}+\left(3\sqrt{249}-46\right)^{\frac{2}{3}}-2\sqrt[3]{3\sqrt{249}-46}-9}{9}\approx 2.184387171
x=2\text{, }z=1
Kongsi
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Contoh
Persamaan kuadratik
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometri
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Persamaan linear
y = 3x + 4
Aritmetik
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Matriks
\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]
Persamaan serentak
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Pembezaan
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Pengamiran
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Had
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