Mathematics
Junior High

解き方がわかりません!教えてください

(ウ) x=V6+2, y=v6-2のとき, x'y+xy? の値を求めなさい

Answers

xy(x+y)に代入して
(√6+2)(√6−2)(√6+2+√6−2)
=2×2√6
=4√6  ですかね

SAKURA🌸

ありがとうございます🌸

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