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Will the real TeeEm please stand up! watch

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    (Original post by physicsmaths)
    Attachment 441175


    Posted from TSR Mobile
    Sorry but that iff should be if and not if and only if as a,b>0 is sufficient not neccasary.
    (Original post by physicsmaths)
    Ok just doing it now. Only took a few minutes without using am-gm aswell haha


    Posted from TSR Mobile
    It looks as these questions are too easy for you and some people feel intimidated I will make some super hard questions additionally to the ones I am making for which I will not provide solutions until someone does (or someone asks)...
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    (Original post by TeeEm)
    Silly error thank you for pointing it

    Luckily it did not affect the method.
    That's great!
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    30 days to A level results

    Question for Tuesday 13/07/15
    A Level Maths Upwards




    and for those who want that little bit extra
    ....
    I will not provide solution for this one so feel free to attach yours.
    Attached Images
  1. File Type: pdf Q15, Tuesday 14-07-15, solution.pdf (130.5 KB, 47 views)
  2. File Type: pdf Q15, Tuesday 14-07-15, EXTRA, solution.pdf (212.6 KB, 61 views)
  3. File Type: pdf Q15, Tuesday 14-07-15.pdf (9.7 KB, 83 views)
  4. File Type: pdf Q15, Tuesday 14-07-15, EXTRA.pdf (11.4 KB, 52 views)
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    (Original post by TeeEm)
    30 days to A level results

    Question for Tuesday 13/07/15
    A Level Maths Upwards




    and for those who want that little bit extra
    ....
    I will not provide solution for this one so feel free to attach yours.
    Well, at least I know I got the right answer...
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    (Original post by Gome44)
    Well, at least I know I got the right answer...
    I do not follow.
    Is this sarcasm?
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    (Original post by TeeEm)
    I do not follow.
    Is this sarcasm/
    The extra question answer
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    (Original post by Gome44)
    The extra question answer
    still lost ...
    must be the Greek sun and the wine ...
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    (Original post by TeeEm)
    still lost ...
    must be the Greek sun and the wine ...
    Spoiler:
    Show
    I did try and send you a pm, but you have them turned off. Anyway, for the extra question I got y=e^/(1+e^x) which is the same function in the 'normal' question
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    (Original post by Gome44)
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    I did try and send you a pm, but you have them turned off. Anyway, for the extra question I got y=e^/(1+e^x) which is the same function in the 'normal' question
    sure, but I doubt if this helps
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    (Original post by TeeEm)
    30 days to A level results

    Question for Tuesday 13/07/15
    A Level Maths Upwards




    and for those who want that little bit extra
    ....
    I will not provide solution for this one so feel free to attach yours.
    Done! That was nice, the extra question would have been difficult if you don't connect/relate it to the other one.


    (Original post by Gome44)
    Spoiler:
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    I did try and send you a pm, but you have them turned off. Anyway, for the extra question I got y=e^/(1+e^x) which is the same function in the 'normal' question
    Wait so did you solve the equation and then found out that they're the same function (in both questions)?
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    (Original post by gagafacea1)
    Done! That was nice, the extra question would have been difficult if you don't connect/relate it to the other one.



    Wait so did you solve the equation and then found out that they're the same function (in both questions)?
    Yep, solved the equation. Didn't do the first question though
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    (Original post by Gome44)
    Yep, solved the equation. Didn't do the first question though
    What method did you use?
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    (Original post by gagafacea1)
    What method did you use?
    I'll post my solution tomorrow . You just have to spot something in the D.E
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    (Original post by Gome44)
    I'll post my solution tomorrow . You just have to spot something in the D.E
    (Original post by gagafacea1)
    What method did you use?
    I made another "pair" today with a square root instead of the exponential.
    As a challenge see if you can write an analogous pair of questions.
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    (Original post by gagafacea1)
    What method did you use?
    It is a first order de in dy/dx


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    (Original post by physicsmaths)
    It is a first order de in dy/dx


    Posted from TSR Mobile
    How when there is a y in there?
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    (Original post by gagafacea1)
    How when there is a y in there?
    Jammo. Let me do it actaully.


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    (Original post by physicsmaths)
    Jammo. Let me do it actaully.


    Posted from TSR Mobile
    Ummm who the hell is Jammo?
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    (Original post by gagafacea1)
    Ummm who the hell is Jammo?
    Jammo ie Jam ie wait. Im not trying it yet still eating.


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    (Original post by TeeEm)
    sure, but I doubt if this helps
    Sorry, just saw this, must have missed the notification. I spoilered it as people would be able to use the normal question to answer the extra one
 
 
 
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