Mathematics
Senior High
Solved
この2番の対称式の作り方を教えてください
(3) x+y+z=xy+yz+zx=4,xyz=5 のとき,次の各式の
値を求めよ.
(i) x² + y² + z²
(ii) x²y²+y²z²+z²x²
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ありがとうございます！
わかりました！