微积分第二定理
Info about F’
ΔF=F(b)−F(a),Δx=b−a\Delta F = F(b) -F(a),\Delta x = b-aΔF=F(b)−F(a),Δx=b−a
ΔF=∫abf(x)dx (FTC1)\Delta F = \int_{a}^{b}f(x) dx \ (FTC1)ΔF=∫abf(x)dx (FTC1)
ΔFΔx=1b−a∫abf(x)dx\color{Red}\frac{\Delta F }{\Delta x}= \frac{1}{b-a} \int_{a}^{b}f(x) dxΔxΔF=b−a1∫abf(x)dx
Average (f)
