-5.5
-2.0
2.0
5.5
Correct answer is A
∫112x3−4x3dx≡∫1121−4x3dx.
= ∫1121−4x−3dx.
= x−4x−2−2|112=x+2x2|112
= (1+2)−(12+8)=3−8.5=−5.5
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