Aromātai
\frac{\sqrt{2}}{2}\approx 0.707106781
Tohaina
Kua tāruatia ki te papatopenga
\frac{3\sqrt{10}\sqrt{5}}{10\times 5}+\frac{\sqrt{10}}{10}\times \frac{2\sqrt{5}}{5}
Me whakarea te \frac{3\sqrt{10}}{10} ki te \frac{\sqrt{5}}{5} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.
\frac{3\sqrt{10}\sqrt{5}}{10\times 5}+\frac{\sqrt{10}\times 2\sqrt{5}}{10\times 5}
Me whakarea te \frac{\sqrt{10}}{10} ki te \frac{2\sqrt{5}}{5} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.
\frac{3\sqrt{10}\sqrt{5}}{10\times 5}+\frac{\sqrt{5}\sqrt{10}}{5\times 5}
Me whakakore tahi te 2 i te taurunga me te tauraro.
\frac{3\sqrt{10}\sqrt{5}}{5\times 10}+\frac{\sqrt{5}\sqrt{10}}{5\times 10}
Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Whakarohaina te 5\times 5.
\frac{3\sqrt{10}\sqrt{5}+\sqrt{5}\sqrt{10}}{5\times 10}
Tā te mea he rite te tauraro o \frac{3\sqrt{10}\sqrt{5}}{5\times 10} me \frac{\sqrt{5}\sqrt{10}}{5\times 10}, me tāpiri rāua mā te tāpiri i ō raua taurunga.
\frac{15\sqrt{2}+5\sqrt{2}}{5\times 10}
Mahia ngā whakarea i roto o 3\sqrt{10}\sqrt{5}+\sqrt{5}\sqrt{10}.
\frac{20\sqrt{2}}{5\times 10}
Mahia ngā tātaitai i roto o 15\sqrt{2}+5\sqrt{2}.
\frac{2\sqrt{2}}{5}
Me whakakore tahi te 2\times 5 i te taurunga me te tauraro.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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