Mathematics
Senior High
Solved
相加相乗平均の証明です。青線の部分がなぜこうなるのか計算方法が分からないので途中式を教えてください!
<証>
a+b= Tab = — — 1 ra² 29ab + 1b)
2
=
(Ta-Tb)? 0
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理解できました!ありがとうございます