Mathematics
Junior High
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答え合わせお願いします
②x=4√3+3√5, y=√3+√5のとき,8zy+16y² の値を求めなさい。
[大阪]
X = 4√3+3√5₁ ¥=√3+√5 X²²X4+164²
(X-44) =((4√3+ 3√5)-4 (√3+√5))
(413+305-413-415)
=413-413+305-415
=
-
= -√5₁
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