please can somebody help me with these questions?

[zobowashington]

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+?)?^(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^(?^2 x) ?sin?^2 ?x/2 dx 17. ??e^4x cos5x dx

 

[DrMike]

What kind of help do you need?

 

[Deleted member 4993]

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+?)?^(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^(?^2 x) ?sin?^2 ?x/2 dx 17. ??e^4x cos5x dx

Please show us your work, indicating exactly where you are stuck - so that we know where to begin to help you.