Mathematics
Senior High
Resolved
下線部の式がなぜこうなるのか説明お願いします🤲
S=
2(x-5)(x+1)dx T
5
+4=-2(x+1-6)(x+1)dx
$5
●上下関係
=−2√³, {(x+1)²=6(x+1)}dæ
-1
-
= −2√3 = √(x+1)³-3(x+1)²]
15
2
Answers
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なるほど!ありがとうございます😊