Mathematics
Senior High
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(1)の解説お願いします
*55a>0,6>0 のとき,次の不等式を証明せよ。
(1) (a+1/2)(40+1/2)=29
≥9
(2) (1+) (9+)≥16
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(1)の解説お願いします
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分母と分子に文字があって、大小問題(不等式)はまず相加・相乗平均を疑いましょう!そうすると解けることが多いですよ