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  1. Calculus Tutor NYC
    May 28, 2015 @ 1:14 am

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    • Math Vault
      May 29, 2015 @ 10:48 am

      Hey many thanks! More mathematical madness has yet to come!


  2. Chow Kim Wan
    July 20, 2015 @ 8:43 pm

    Hi there! I am a prospective math major and I blog about musical theatre/Disney primarily (I know that probably does not interest you), BUT I have a feature on mathematics every two Mondays or so. You might wanna check that out on my blog!

    BTW this is a very common mistake I have seen among my peers. Other errors include misuse of integration by parts and not plucking in the derivative of the substitution when doing integration by substitution (they merely replace dx with du without doing anything else). When doing definite integral evaluations, they forget to change limits. Yeah, these are a few integration errors I can think of.


    • Math Vault
      July 20, 2015 @ 9:13 pm

      Wow. That’s an interesting background. We have been contemplating on writing the first textbook on what we called “mental calculus”, but it takes a bit of time and effort.


  3. Quora
    January 30, 2016 @ 6:46 pm

    What is wrong with this integration technique?

    First, a few points: 1. [math](x^3)^2(x^2+1) = x^6 (x^2+1) = x^8 + x^6,[/math] not [math]x^{12} + x^6[/math]. 2. [math]{(x^{12} + x^6)}^{\frac{1}{2}} \ne x^{12\frac{1}{2}} + x^{6\frac{1}{2}} [/math](exponents can be distributed over products, but n…


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