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guanxc

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rngrng

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Áîx=t^2 ×öÏÂÈ¥ ¾Í±ä³ÉÁË2/3t^3-tsin(t^2)+C+sin(t^2)µÄÔ­º¯ÊýµÄÒ»¸öʽ×Ó..
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wurongjun

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>> int(sqrt(x)*sin(x))

ans =

-cos(x)*x^(1/2)+1/2*2^(1/2)*pi^(1/2)*FresnelC(2^(1/2)/pi^(1/2)*x^(1/2))
ÉÆ¶ñµ½Í·ÖÕÓб¨,È˼äÕýµÀÊDz×É£.
3Â¥2016-03-08 18:39:43
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Edstrayer

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