Please solve this question with solution. Thanks?

2016-02-25 1:50 am

回答 (1)

2016-02-25 2:40 am
✔ 最佳答案
Sol
與x軸所夾面積
∫(-1 to 2)_x^2+1dx
=(x^3/3+x)|(-1 to 2)
=(2^3/3+2)-[--1)^3/3-1]
=(8/3+2)-(-1/3-1)
=14/3+4/3
=6
(E)


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