Whakaoti mō r
r=0
Tohaina
Kua tāruatia ki te papatopenga
2\pi r=0\times 8
Whakareatia te 0 ki te 0, ka 0.
2\pi r=0
Whakareatia te 0 ki te 8, ka 0.
r=0
Whakawehe 0 ki te 2\pi .
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
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Whakarerekētanga
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