Mathematics
Senior High
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なぜ(-1/xの2乗)になるのですか?
なぜマイナスがつくのですか?

Dete 289₁ (+9 = x² +4= xst + x 70 Fil log|4|= * logr ++ + +1-10x - (- =— 2/1 1092 + I x ス x² 4² = 5x² =²₁1-102x = x² - (1-1092) -x²² =x*² = (1-logxl

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✨ Best Answer ✨

1/xはx⁻¹だから微分すると 次数が下がって(-1)×1/x²

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