急问(高等微积分)
Letaandbbepositivenumbers.Findthevalueof∫[ax+b]dxinthefollowingtwoways:
a.Usingelementarygeometry,interpreting∫[ax+b]dxasanarea.
b.UsingtheFirstFundamentalTheorem(IntegratingDerivatives).
注:上下界皆为1,0
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