d/dx∫[x^2→0]xsin(t^2)dt
d/dx∫[x^2→0]xsin(t^2)dt
數(shù)學人氣:281 ℃時間:2020-05-03 01:28:07
優(yōu)質(zhì)解答
d/dx∫[x^2→0]xsin(t^2)dt=∫[x^2→0]sin(t^2)dt-2(x^2)sin(x^4),(x^2是下限,是上限取+號)求詳細過程1).∫[x^2→0]xsin(t^2)dt=x*∫[x^2→0]sin(t^2)dt,用乘積求導(dǎo)法則。2)(∫[x^2→0]sin(t^2)dt)'用積分限函數(shù)求導(dǎo)公式,但積分限是x^2,用復(fù)合函數(shù)求導(dǎo)法則。是(∫[x^2→0]sin(t^2)dt)'=-2(x^2)sin(x^4), 。
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