Aromātai
2\sqrt{7}\approx 5.291502622
Tohaina
Kua tāruatia ki te papatopenga
\frac{2\sqrt{3}}{3}\sqrt{21}
Tuhia te 2\times \frac{\sqrt{3}}{3} hei hautanga kotahi.
\frac{2\sqrt{3}\sqrt{21}}{3}
Tuhia te \frac{2\sqrt{3}}{3}\sqrt{21} hei hautanga kotahi.
\frac{2\sqrt{3}\sqrt{3}\sqrt{7}}{3}
Tauwehea te 21=3\times 7. Tuhia anō te pūtake rua o te hua \sqrt{3\times 7} hei hua o ngā pūtake rua \sqrt{3}\sqrt{7}.
\frac{2\times 3\sqrt{7}}{3}
Whakareatia te \sqrt{3} ki te \sqrt{3}, ka 3.
\frac{6\sqrt{7}}{3}
Whakareatia te 2 ki te 3, ka 6.
2\sqrt{7}
Whakawehea te 6\sqrt{7} ki te 3, kia riro ko 2\sqrt{7}.
Ngā Tauira
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