Tīpoka ki ngā ihirangi matua
Whakarea Pātahi Iti Rawa
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Aromātai
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

\left(t-2\right)^{2}\left(y-1\right)^{2}
Me tautohu ngā tauwehe katoa me ō rātou taupū teitei rawa i ngā kīanga katoa. Me whakarea ngā taupū teitei rawa o ēnei tauwehe kia riro ai te taurea pātahi iti rawa.
t^{2}y^{2}-4ty^{2}+4y^{2}-2yt^{2}+8ty-8y+t^{2}-4t+4
Me whakaroha te kīanga.