\left\{ \begin{array} { l } { x _ { 1 } + x _ { 2 } = 12 } \\ { x _ { 1 } x _ { 2 } = 4 } \end{array} \right.
Selesaikan untuk x_1, x_2
x_{1}=4\sqrt{2}+6\approx 11.656854249\text{, }x_{2}=6-4\sqrt{2}\approx 0.343145751
x_{1}=6-4\sqrt{2}\approx 0.343145751\text{, }x_{2}=4\sqrt{2}+6\approx 11.656854249
Kongsi
Disalin ke papan klip
Contoh
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{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometri
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Persamaan linear
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Aritmetik
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Matriks
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Persamaan serentak
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Pembezaan
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Pengamiran
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Had
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