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AQA A2 Mathematics MPC3 Core 3 - Wednesday 15th June 2016 [Official Thread] watch

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    (Original post by Qcomber)
    yep thats what i got. I'm guessing you're doing fp2
    Yeah, you?
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    (Original post by Qcomber)
    If it does come up, they shouldn't have because knowledge of inverse trigonometrical integration is not on the spec for c3. Whereas the fp2 spec clearly states that you need to know that it even exists in the formula book.
    They could probably lead you into it though giving you a substitution.
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    (Original post by Ano123)
    Yeah, you?
    Yes, all other FPs too.
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    (Original post by Qcomber)
    Yes, all other FPs too.
    Same, I assume you're doing AQA?
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    (Original post by Ano123)
    Same, I assume you're doing AQA?
    Yes. Hoping they won't destroy us like they did for my friends sitting M3
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    (Original post by Ano123)
    They could probably lead you into it though giving you a substitution.
    I would guess not, I have no idea what arcsin is


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    (Original post by ComradeLenin)
    I would guess not, I have no idea what arcsin is


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    Its another way of writing sin^-1(x), or, 'inverse sin'.

    Since that can be confused with (sinx)^-1, we have arcsin. Thats what i think/ been taught that it it, I could be wrong you never know
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    (Original post by MahuduElec)
    Its another way of writing sin^-1(x), or, 'inverse sin'.

    Since that can be confused with (sinx)^-1, we have arcsin. Thats what i think/ been taught that it it, I could be wrong you never know
    I prefer arcsin notation.
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    What would you say the best tips were for getting full marks? Always seem to slip up somewhere or another on a silly sign error or leaving answer in wrong form.
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    In the C3 and C4 exams, do they tell you which substitution to use in integration?
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    (Original post by Dzinq)
    What would you say the best tips were for getting full marks? Always seem to slip up somewhere or another on a silly sign error or leaving answer in wrong form.
    I would do every question twice if you have time. If you don't have time for every question then just be confident on your answers for the easy questions then check your answers for the ones you considered hard thoroughly.

    On my C2 exam last year I literally did a question 3 times to make sure I was right, while finding a mistake the 2nd time around, the odds are, if you're aiming for full marks, that you're not going to make a mistake more than once.
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    (Original post by tanyapotter)
    In the C3 and C4 exams, do they tell you which substitution to use in integration?
    Most of the time they will. If not it will be a 'Use a suitable substitution' question, where more often than not the substition will be inside the brackets.

    For example x(7x+3)^(3/2)

    I just made that up, but you would use the (7x+3) as a substitution.
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    (Original post by Dzinq)
    What would you say the best tips were for getting full marks? Always seem to slip up somewhere or another on a silly sign error or leaving answer in wrong form.
    When marking a past paper, write down on a seperate sheet all the mistakes you made. The notes should be detailed enough so it reminds you what you did wrong and how you could fix it. Do this for all the papers you do or have done, on the same sheets.

    Every now and then look at that sheet and revise from it. Slowly you'll remember to look out for those small things and overtime, you should make less mistakes. It's worked for me so far.

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    (Original post by tanyapotter)
    In the C3 and C4 exams, do they tell you which substitution to use in integration?
    I don't think I've seen one where they don't give you the sub, but C3 integrals the sub is very obvious.
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    If you have found the correct answer but you have used a method that is a bit different to the markscheme, would you lose marks?
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    anyone else aiming for an A*?
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    (Original post by Guls)
    anyone else aiming for an A*?
    Yep. Still a bit confused about how to get an A* overall though
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    (Original post by Guls)
    anyone else aiming for an A*?
    Hopefully, yeah. Need an A* for the course I want to do
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    (Original post by Mowerharvey)
    Yep. Still a bit confused about how to get an A* overall though
    i am aswell. getting a B on the recent c4 that i just did didn't help.
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    (Original post by muonfrisbee98)
    Hopefully, yeah. Need an A* for the course I want to do
    nice.
 
 
 
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