4455704.76954857129
2186165.16671781749
1674184.68931459653528
4674911.57323783333
6759640.232536545013756
6843736.3756819811...
(n+8)^2=18^2/n^2
1+1
1402648
22025514
19607386
3385826
4723957
4075544
9054582
8214884
4455704
integrate e^2xcos2xsin3x dx
integrate
ecos2xsin 3x de
limx>0 x^2+7x+3\9x^2+7x+2
1/4^-7/2
