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Math Help - urgent solving please

  1. #1
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    urgent solving please

    1 ∫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

    thanks very much..
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  2. #2
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    Quote Originally Posted by zobowashington View Post
    1 ∫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

    thanks very much..
    1. Please don't post so many questions in one thread. No more than two or three per thread, please.

    2. Please show what you've been able to do and where you get stuck. It's expected that you've got some idea how to do some of these, even if you only suspect what technique to use.

    3. This is not a forum for doing all your homework.

    4. Questions involving integration belong in the Calculus subforum.

    Thread closed.
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