Mathematics
Senior High
解説お願いします🙇♀️
演習問題
18 a,b を正の数とし, x, y を x+y=1 をみたす正の数とする. このとき,
不等式
63
+
x2
y²
2
-≧(a+b) が成り立つことを証明せよ.
( 信州大)
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