Mathematics
Senior High
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不定積分を求める式なのですがなぜマーカーの部分のような式になるのかがわかりません、
(2) [ (log x ) 2 dx
= √ (x)({(log x )²)}dx=(x){ (log x )²) — [ (x){(log x )²\'dx
[06 東京理科大
=(x) logx)² - - √x (logx)·
x. 2. (log x) · —— dx = x(log x)²-2 logxdx
x
= x(log x)² — 2√ (x)(log x)dx = x(logx)²=2{(x)(logx) — [(x)(logx)'dx}
= x(log x )² - 2xlog x + 2√ a
dx
= x(log x)2-2xlog x+2x+C
-
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理解できました!ご回答ありがとうございました!!