d/dx∫[x^2→0]xsin(t^2)dt
d/dx∫[x^2→0]xsin(t^2)dt
数学人气:701 ℃时间:2020-05-03 01:28:07
优质解答
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+号)求详细过程1).∫[x^2→0]xsin(t^2)dt=x*∫[x^2→0]sin(t^2)dt,用乘积求导法则。2)(∫[x^2→0]sin(t^2)dt)'用积分限函数求导公式,但积分限是x^2,用复合函数求导法则。是(∫[x^2→0]sin(t^2)dt)'=-2(x^2)sin(x^4), 。
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