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-   -   Can some one tell me how to differentiate this particular formula? (https://www.askmehelpdesk.com/showthread.php?t=388056)

  • Aug 18, 2009, 07:07 AM
    Delos
    Can some one tell me how to differentiate this particular formula?
    Hi,

    Can someone please tell me how to differentiate this particular formula with step by step direction?

    A= 2n * (1/2) * (150/n) * [ (150/n) / tan (180/n) ]

    Thanks in advance. As soon as possible if you can :)
  • Aug 18, 2009, 07:32 AM
    Delos

    Oops forgot to simplify tehe

    A= (300n/2n) * [ (150/n) / tan (180/n) ]
  • Aug 18, 2009, 07:48 AM
    Unknown008

    You should be simplifying your equation first, further than what you've done:



    Now use the quotient rule to differentiate:

    If

    then.

  • Aug 18, 2009, 08:20 AM
    Delos
    Hey thanks for the response. One question though, why did you put the tan (180/n) up? I don't that part.
  • Aug 18, 2009, 08:34 AM
    Unknown008

    I prefer dealing with simple fractions as far as possible. You can use the quotient rule, but to get less confused, putting it up is better.

    If you're asking me if that's possible, then yes;

  • Aug 18, 2009, 05:20 PM
    galactus
    Be careful.





    If that were in the denominator, then that would be OK.
  • Aug 19, 2009, 08:44 AM
    Unknown008

    Oh, sorry... I my head was not completely on that thread... :( Thanks galactus for correcting me.

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