Aromātai
12-2\sqrt{35}\approx 0.167840434
Whakaroha
12-2\sqrt{35}
Tohaina
Kua tāruatia ki te papatopenga
\left(\sqrt{7}\right)^{2}-2\sqrt{7}\sqrt{5}+\left(\sqrt{5}\right)^{2}
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(\sqrt{7}-\sqrt{5}\right)^{2}.
7-2\sqrt{7}\sqrt{5}+\left(\sqrt{5}\right)^{2}
Ko te pūrua o \sqrt{7} ko 7.
7-2\sqrt{35}+\left(\sqrt{5}\right)^{2}
Hei whakarea \sqrt{7} me \sqrt{5}, whakareatia ngā tau i raro i te pūtake rua.
7-2\sqrt{35}+5
Ko te pūrua o \sqrt{5} ko 5.
12-2\sqrt{35}
Tāpirihia te 7 ki te 5, ka 12.
\left(\sqrt{7}\right)^{2}-2\sqrt{7}\sqrt{5}+\left(\sqrt{5}\right)^{2}
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(\sqrt{7}-\sqrt{5}\right)^{2}.
7-2\sqrt{7}\sqrt{5}+\left(\sqrt{5}\right)^{2}
Ko te pūrua o \sqrt{7} ko 7.
7-2\sqrt{35}+\left(\sqrt{5}\right)^{2}
Hei whakarea \sqrt{7} me \sqrt{5}, whakareatia ngā tau i raro i te pūtake rua.
7-2\sqrt{35}+5
Ko te pūrua o \sqrt{5} ko 5.
12-2\sqrt{35}
Tāpirihia te 7 ki te 5, ka 12.
Ngā Tauira
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