mathematics
posted by washington .
∫▒dx/(x√(2x^2+5x+1)) 2. ∫▒dx/(x√(x^2+4x2)) 3. ∫▒dx/(sinx+13cosx11) 4. ∫▒〖(x^2x+4)ln(x+√(x^21) dx)〗
5. ∫▒e^cos2x sin4x dx 6. ∫▒x^3 e^x dx 7. ∫▒dx/〖(7x^2)〗^(3⁄2) 8. ∫▒(arctg (x+1)/(x1))/〖(x1)〗^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)/(4x7)) dx 14. ∫▒〖(ln(x^23x4))/〖(x+2)〗^2 dx〗 15. ∫▒xln(4x^224x28)dx
16. ∫▒e^(π^2 x) 〖sin〗^2 πx/2 dx 17. ∫▒e^4x cos5x dx

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