Mathematics
Senior High
Resolved

これの、2つ目のほうの式のときの答えが知りたいです。🙇‍♂️
(x二乗y二乗+y二乗z二乗+z二乗x二乗)
よろしくお願いします🙇

B 2 8. x+y+z=0, xy+yz+zx=-5, xyz=2のとき, x°+y?+z?, x°y?+y'z?+z°x° の値を求めよ。

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