y= ∫[0,x](t-1)^3(t-2)dt,dy/dx(x=0)
人气：281 ℃ 时间：2019-12-06 10:53:37
解答
y= ∫ (t-1)^3(t-2)dt,
dy/dx = (x-1)^3(x-2).
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