[微積] 請教四題微積分 希望能詳解
x^3
求d/dx(∫ {1/(1+t^3)}dt )在x=-1之值 A:5/2
x^2
π/2
求 ∫ (sin2x/sinx)dx =? A:1
π/6
8
求∫ |x^2-6x+8|dx=? A:136/3
0
1
求滿足f(x)=4x^3-3x^2∫ f(x)dx之函數f(x)= A:f(x)=4x^3-3/2x^2
0
卡在最後這四題 希望高手幫忙詳解 拜託拜託
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