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Whakaoti mō C, D, a, b, c, d
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Tohaina

C=2\sqrt{2}+\sqrt{8}
Whakaarohia te whārite tuatahi. Tauwehea te 8=2^{2}\times 2. Tuhia anō te pūtake rua o te hua \sqrt{2^{2}\times 2} hei hua o ngā pūtake rua \sqrt{2^{2}}\sqrt{2}. Tuhia te pūtakerua o te 2^{2}.
C=2\sqrt{2}+2\sqrt{2}
Tauwehea te 8=2^{2}\times 2. Tuhia anō te pūtake rua o te hua \sqrt{2^{2}\times 2} hei hua o ngā pūtake rua \sqrt{2^{2}}\sqrt{2}. Tuhia te pūtakerua o te 2^{2}.
C=4\sqrt{2}
Pahekotia te 2\sqrt{2} me 2\sqrt{2}, ka 4\sqrt{2}.
D=2\sqrt{2}-\sqrt{8}
Whakaarohia te whārite tuarua. Tauwehea te 8=2^{2}\times 2. Tuhia anō te pūtake rua o te hua \sqrt{2^{2}\times 2} hei hua o ngā pūtake rua \sqrt{2^{2}}\sqrt{2}. Tuhia te pūtakerua o te 2^{2}.
D=2\sqrt{2}-2\sqrt{2}
Tauwehea te 8=2^{2}\times 2. Tuhia anō te pūtake rua o te hua \sqrt{2^{2}\times 2} hei hua o ngā pūtake rua \sqrt{2^{2}}\sqrt{2}. Tuhia te pūtakerua o te 2^{2}.
D=0
Pahekotia te 2\sqrt{2} me -2\sqrt{2}, ka 0.
a=4\sqrt{2}\times 0
Whakaarohia te whārite tuatoru. Me kōkuhu ngā uara tāupe mōhiotia ki te whārite.
a=0\sqrt{2}
Whakareatia te 4 ki te 0, ka 0.
a=0
Ko te tau i whakarea ki te kore ka hua ko te kore.
b=0
Whakaarohia te whārite tuawhā. Me kōkuhu ngā uara tāupe mōhiotia ki te whārite.
c=0
Whakaarohia te whārite tuarima. Me kōkuhu ngā uara tāupe mōhiotia ki te whārite.
d=0
Whakaarohia te whārite (6). Me kōkuhu ngā uara tāupe mōhiotia ki te whārite.
C=4\sqrt{2} D=0 a=0 b=0 c=0 d=0
Kua oti te pūnaha te whakatau.