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Math Help - Desperate Student

  1. #16
    MHF Contributor Mathstud28's Avatar
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    One topic not covered in the aforementioned site is the derivatives of inverse functions...ok this is the best way I have discovered...I think it is right...it has always worked out before...I made it up so if its wrong I am sorry... y=f(x)...therefore x=f(y) is the inverse....now taking the derivative we get \frac{dx}{dy}=f'(y)..but we want \frac{dy}{dx}...so....we reciprocate!....to get \frac{dy}{dx}=\frac{1}{f'(y)}
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  2. #17
    Math Engineering Student
    Krizalid's Avatar
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    Quote Originally Posted by angel.white View Post

    Invaluable formulas, I use them very frequently.
    Ones of the lots that we must know better than our own names.
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  3. #18
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    Gosh MathStud! You are on a roll..too bad you aren't in Kansas City, you could be my study buddy for my Calc II final!
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  4. #19
    MHF Contributor Mathstud28's Avatar
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    Quote Originally Posted by elizsimca View Post
    Gosh MathStud! You are on a roll..too bad you aren't in Kansas City, you could be my study buddy for my Calc II final!
    Haha...calculus...its in my blood (here is the advent of the cool mathematician theme song...if cool mathematician is not a paradox)
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  5. #20
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    Quote Originally Posted by Mathstud28 View Post
    Haha...calculus...its in my blood (here is the advent of the cool mathematician theme song...if cool mathematician is not a paradox)

    I <3 Calculus, it's the only subject I could spend 4 hours working on and time flies by.



    As for the post, I think you should also study optimization and related rates problems, those seemed to trip me up, now that I'm thinking about it. Also, if it hasn't been said (too late to go back and read) know your trig!!!!
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