Mathematics
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数3の微分の問題です
解説お願いします🙏

y=x* (x>0)

Answers

✨ Best Answer ✨

y=x^x

lny=xlnx (両辺対数をとります。)

lny d/dx=xlnx d/dx (両辺xで微分します。)

lny d/dy dy/dx=lnx+1

1/y・y'=lnx+1

y'=(lnx+1)y=(lnx+1)x^x

です。

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