Whakaoti mō x
x=10\sqrt{5}\approx 22.360679775
Tautapa x
x≔10\sqrt{5}
Graph
Tohaina
Kua tāruatia ki te papatopenga
x=5\times 2\sqrt{5}
Tauwehea te 20=2^{2}\times 5. Tuhia anō te pūtake rua o te hua \sqrt{2^{2}\times 5} hei hua o ngā pūtake rua \sqrt{2^{2}}\sqrt{5}. Tuhia te pūtakerua o te 2^{2}.
x=10\sqrt{5}
Whakareatia te 5 ki te 2, ka 10.
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