Facebook Page
Twitter
RSS
+ Reply to Thread
Results 1 to 4 of 4
  1. MHB Master
    \(\displaystyle \int\)
    karush's Avatar
    Status
    Offline
    Join Date
    Jan 2012
    Location
    Wahiawa, Hawaii
    Posts
    2,331
    Thanks
    1,866 time
    Thanked
    501 times
    #1

    ok this is from my overleaf doc
    so too many custorm macros to just paste in code
    but I think its ok,,, not sure about all details.
    appreciate comments.....

    I got ???? somewhat on b and x and u being used in the right places
    Last edited by karush; September 12th, 2019 at 22:37.

  2. # ADS
    Circuit advertisement
    Join Date
    Always
    Location
    Advertising world
    Posts
    Many
     

  3. MHB Master
    MHB Math Helper
    topsquark's Avatar
    Status
    Online
    Join Date
    Aug 2012
    Location
    The Astral plane
    Posts
    1,016
    Thanks
    4,995 times
    Thanked
    1,887 time
    Thank/Post
    1.857
    Awards
    MHB Humor Award (2016)  

MHB Humor Award (2015)  

MHB Humor Award (2014)
    #2
    Quote Originally Posted by karush View Post
    ok this is from my overleaf doc
    so too many custorm macros to just paste in code
    but I think its ok,,, not sure about all details.
    appreciate comments.....

    I got ???? somewhat on b and x and u being used in the right places
    Ummm....

    What exactly is your question?

    -Dan

  4. MHB Master
    \(\displaystyle \int\)
    karush's Avatar
    Status
    Offline
    Join Date
    Jan 2012
    Location
    Wahiawa, Hawaii
    Posts
    2,331
    Thanks
    1,866 time
    Thanked
    501 times
    #3 Thread Author
    OK this one was kinda obvious but usually that is where I make the errors especially where there is substitution.
    I post another one here soon.

  5. MHB Oldtimer
    MHB Site Helper
    MHB Math Scholar
    Opalg's Avatar
    Status
    Offline
    Join Date
    Feb 2012
    Location
    Leeds, UK
    Posts
    2,551
    Thanks
    866 times
    Thanked
    6,682 times
    Thank/Post
    2.619
    Awards
    MHB University Math Award (2018)  

MHB Challenges Solver Award (2017)  

Graduate POTW Award (2017)  

University POTW Award (2017)  

Secondary School/High School POTW Award (2017)
    #4
    That all looks correct to me, except that at one point in the solution of 6.6.62 you have written $du=dx$. That should be $\dfrac{du}4 = dx$ (which is what you have correctly used in the following line).

Similar Threads

  1. [SOLVED] int substitution
    By karush in forum Calculus
    Replies: 4
    Last Post: January 10th, 2015, 00:01
  2. Replies: 9
    Last Post: November 22nd, 2013, 20:43
  3. Integrals giving inverse trig.
    By paulmdrdo in forum Calculus
    Replies: 16
    Last Post: October 4th, 2013, 16:52
  4. Inverse Sine/Tangent Integrals and related functions
    By DreamWeaver in forum Math Notes
    Replies: 5
    Last Post: September 28th, 2013, 14:05
  5. Replies: 3
    Last Post: September 19th, 2013, 14:51

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Math Help Boards