Posted by **washington** on Wednesday, April 22, 2009 at 9:53am.

∫▒dx/(x√(2x^2+5x+1)) 2. ∫▒dx/(x√(x^2+4x-2)) 3. ∫▒dx/(sinx+13cosx-11) 4. ∫▒〖(x^2-x+4)ln(x+√(x^2-1) dx)〗

5. ∫▒e^cos2x sin4x dx 6. ∫▒x^3 e^x dx 7. ∫▒dx/〖(7-x^2)〗^(3⁄2) 8. ∫▒(arctg (x+1)/(x-1))/〖(x-1)〗^2 dx

9. ∫▒〖(x+1)arcsin〖(x+1)〗^2 〗 dx 10. ∫▒(〖sin〗^(6 ) x)/(〖cos〗^3 x ) dx 11. ∫▒〖〖sin〗^5 x〖cos〗^4 x dx〗

12. ∫▒dx/〖(2x^2+π)〗^(3⁄2) 13. ∫▒√((x+5)/(4x-7)) dx 14. ∫▒〖(ln(x^2-3x-4))/〖(x+2)〗^2 dx〗 15. ∫▒xln(4x^2-24x-28)dx

16. ∫▒e^(π^2 x) 〖sin〗^2 πx/2 dx 17. ∫▒e^4x cos5x dx

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