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sasogeek

  • 4 years ago

differentiate the function \[\ y=(3x+4)^{2} \]\ using the chain rule, i got 6(3x+4) but my book says 6(3x+1) ... who is right?

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  1. anonymous
    • 4 years ago
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    You

  2. TuringTest
    • 4 years ago
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    yup ;)

  3. Mertsj
    • 4 years ago
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    Sue the publisher. You can become rich.

  4. sasogeek
    • 4 years ago
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    should i keep using that book? it has many examples i want to solve but this one and it's solution just seemed odd

  5. Mertsj
    • 4 years ago
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    Sure as long as you have us to verify your work.

  6. anonymous
    • 4 years ago
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    It happens to all books. They sometimes have wrong answers. If they have a lot of incorrect answers you should stop, but otherwise it should be OK.

  7. anonymous
    • 4 years ago
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    Every book should come with errata.

  8. EarthCitizen
    • 4 years ago
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    typo error mayb

  9. sasogeek
    • 4 years ago
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    well this is the 3rd one, the other two, i checked with my friend's answers, we had the same thing but the book was just wrong, but i've solved more than 200 questions from this book with many right answers other than these 3 so far

  10. TuringTest
    • 4 years ago
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    a book is only viable if\[\frac{\text{errors}}{\text{pages}}\le 0.127\](excess-typo theorem)

  11. anonymous
    • 4 years ago
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    Seems like a very unreliable book to me

  12. slaaibak
    • 4 years ago
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    aka less than 1 mistake total in 8 pages :D

  13. TuringTest
    • 4 years ago
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    that's generous!

  14. anonymous
    • 4 years ago
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    Or one problem out of 8 per page.

  15. anonymous
    • 4 years ago
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    Why study from book OCW single variable is the best introductory calculus course that I have seen.

  16. sasogeek
    • 4 years ago
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    it's just a book with thousands of problem sets and examples on many topics and my teachers recommend it because of it's many examples...

  17. EarthCitizen
    • 4 years ago
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    does OCW have intro complex numbers?

  18. anonymous
    • 4 years ago
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    For book I like Thomas calculus, it's the best book that I have seen.

  19. anonymous
    • 4 years ago
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    Do you mean complex analysis? @EC

  20. asnaseer
    • 4 years ago
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    I would say it's more important for a book to have good explanations of the concepts rather than necessarily have all the answers printed correctly. But I agree, if there are too many mis-printed answers then it can put you off track.

  21. anonymous
    • 4 years ago
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    If asnaseer writes a book I will buy it.

  22. EarthCitizen
    • 4 years ago
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    yh sound similar

  23. asnaseer
    • 4 years ago
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    sasogeek would be the editor and reject all my mis-printed answers :)

  24. sasogeek
    • 4 years ago
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    it's concepts are laid out correctly and explanations are just okay though i must say, they only seem to mess up with some answers

  25. sasogeek
    • 4 years ago
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    lol asnaseer

  26. EarthCitizen
    • 4 years ago
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    yh I guess it's called complex analysis @FFM

  27. anonymous
    • 4 years ago
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    haha asnseer and we will ask myin to do the proof-reading

  28. asnaseer
    • 4 years ago
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    no - myininaya should be the illustrator :)

  29. anonymous
    • 4 years ago
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    @EC:I never searched, sorry.

  30. sasogeek
    • 4 years ago
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    hahahahaha so true asnaseer

  31. anonymous
    • 4 years ago
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    haha :D

  32. EarthCitizen
    • 4 years ago
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    yh no p

  33. TuringTest
    • 4 years ago
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    http://ocw.mit.edu/courses/#mathematics there are a couple of 'complex variables' classes I assume those are the same thing

  34. EarthCitizen
    • 4 years ago
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    nice link @ TT, new stuffs too

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