求∫-22(3x+1)max{2,x2}dx.

admin2019-08-23  6

问题 求∫-22(3x+1)max{2,x2}dx.

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答案-22(3x+1)max{2,x2}dx=∫-22max{2,x2}dx=2∫02max{2,x2}dx, 由max{2,x2}=[*]得 ∫-22(3x+1)max{2,x2}dx=[*]

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