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Clearnote
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Senior High
Mathematics
なぜこうなるか教えてください🙇🙇
Mathematics
Senior High
almost 5 yearsago
Nana
なぜこうなるか教えてください🙇🙇
相加平均と相乗平均の関係により 2 ーリ+ー22,は-1)-ー2/2 100 ai x-1 2 (与式)=(x-1)+ x-1 ゆえに -+1 あ十 () 22、2 +1 等号が成り立つのは メー1=ーニ | 2 X-1 x-1>0であるから x-1=\2 すなわち *=1+V2 よって,x=1+/2 で最小値2、2 +1をとる。 <<< < >>>03 a-Sー
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