(2) (int )_(-2)^1dfrac (dx)({(11+5x))^3} :

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(int )_(-2)^1dfrac (dx)({(11+5x))^3}=_______.

(int )_(-2)^1dfrac (dx)({(11+5x))^3}=_______._______.

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    (int )_(-1)^1dfrac (1+sin x)(1+{x)^2}dx .

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    ;(11) int dfrac (x+1)({x)^2+2x+5}dx ;

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    • 求下列定积分:-|||-(int )_(dfrac {sqrt {2)}(2)}^1dfrac (sqrt {1-{x)^2}}({x)^2}dx

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