Tīpoka ki ngā ihirangi matua
Aromātai (complex solution)
Tick mark Image
Wāhi Tūturu (complex solution)
Tick mark Image
Aromātai
Tick mark Image

Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

2i\sqrt{21}
Tauwehea te -84=\left(2i\right)^{2}\times 21. Tuhia anō te pūtake rua o te hua \sqrt{\left(2i\right)^{2}\times 21} hei hua o ngā pūtake rua \sqrt{\left(2i\right)^{2}}\sqrt{21}. Tuhia te pūtakerua o te \left(2i\right)^{2}.