Latihan Matematika Peminatan Kelas XI Akar-Akar Suku Banyak
# 10
Pilgan

Persamaan polinom yang akar-akarnya (23), (2+3) dan 1\left(\sqrt{2}-3\right),\ \left(\sqrt{2}+3\right)\ \text{dan}\ 1 adalah ....

A

x3(1+22)x2+(7+22)x+7=0x^3-\left(1+2\sqrt{2}\right)x^2+\left(-7+2\sqrt{2}\right)x+7=0

B

x3+(1+22)x2(7+22)x7=0x^3+\left(1+2\sqrt{2}\right)x^2-\left(-7+2\sqrt{2}\right)x-7=0

C

x3(23)x2+(23)x+1=0x^3-\left(\sqrt{2}-3\right)x^2+\left(\sqrt{2}-3\right)x+1=0

D

x3(22)x2+(22)x7=0x^3-\left(2\sqrt{2}\right)x^2+\left(2\sqrt{2}\right)x-7=0

E

x3(22+1)x2+(221)x7=0x^3-\left(2\sqrt{2}+1\right)x^2+\left(2\sqrt{2}-1\right)x-7=0

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