[積分] 絕對值、三角兩題
設f:R→R,且f(x)= ∣x∣ sin(x)
a)求f'(x)
2π
b>求 ∫ ∣x∣ sin(x) dx
-π
fend the area of the region bounded by the garph of f(x)=sinx
and g(x)=cosx for 0≦x≦π
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※ 編輯: kentarosu 來自: 163.32.124.205 (06/05 09:35)
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