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zhaoliang270: ½ð±Ò+5 2015-05-14 08:24:46
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6Â¥2015-05-13 20:55:55
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wurongjun

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zhaoliang270: ½ð±Ò+15, ¡ï¡ï¡ïºÜÓаïÖú, ºÜÓаïÖú 2015-05-13 19:52:18
ÓÃMATLABËãÒ»ÏÂ!
>> syms a b x
>> int(1/(a*x^4+b)^2,x,0,1)
ans =
1/32*(8*b+3*(b/a)^(1/4)*2^(1/2)*log(-(1+(b/a)^(1/4)*2^(1/2)+(b/a)^(1/2))/(-(b/a)^(1/2)-1+(b/a)^(1/4)*2^(1/2)))*a+3*(b/a)^(1/4)*2^(1/2)*log(-(1+(b/a)^(1/4)*2^(1/2)+(b/a)^(1/2))/(-(b/a)^(1/2)-1+(b/a)^(1/4)*2^(1/2)))*b+6*(b/a)^(1/4)*2^(1/2)*atan((2^(1/2)+(b/a)^(1/4))/(b/a)^(1/4))*a+6*(b/a)^(1/4)*2^(1/2)*atan((2^(1/2)+(b/a)^(1/4))/(b/a)^(1/4))*b+6*(b/a)^(1/4)*2^(1/2)*atan((2^(1/2)-(b/a)^(1/4))/(b/a)^(1/4))*a+6*(b/a)^(1/4)*2^(1/2)*atan((2^(1/2)-(b/a)^(1/4))/(b/a)^(1/4))*b)/b^2/(a+b)
>>
ÉÆ¶ñµ½Í·ÖÕÓб¨,È˼äÕýµÀÊDz×É£.
2Â¥2015-05-12 23:11:03
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hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

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pippi6: ½ð±Ò+10, ¸»ÓнÌѧÐÍ 2015-05-13 21:31:33
zhaoliang270(feixiaolin´ú·¢): ½ð±Ò+5 2015-05-14 23:16:12
ÒýÓûØÌû:
2Â¥: Originally posted by wurongjun at 2015-05-12 23:11:03
ÓÃMATLABËãÒ»ÏÂ!
>> syms a b x
>> int(1/(a*x^4+b)^2,x,0,1)
ans =
1/32*(8*b+3*(b/a)^(1/4)*2^(1/2)*log(-(1+(b/a)^(1/4)*2^(1/2)+(b/a)^(1/2))/(-(b/a)^(1/2)-1+(b/a)^(1/4)*2^(1/2)))*a+3*(b/a ...

Wurongjunר¼ÒÒѾ­ÓÐÇåÎúÍ걸µÄ½â´ð, ÎÒÀ´»­ÉßÌí×ãÒ»ÏÂ.
Èç¹ûÈÃ, ÄÇôԭÀ´¶¨»ý·ÖµÈÓÚ (y=cx)
.

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We_must_know. We_will_know.
3Â¥2015-05-13 01:26:16
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dapinmin

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