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    (Original post by Gome44)
    For every vectors question you can draw a diagram, normally makes it quite easy
    Oh, I see. Thanks
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    (Original post by ridirahman)
    Attachment 428683

    How would you integrate this without differentiating it first?

    Honestly, the best way would be to use the chain rule - much quicker & there's a smaller chance of making any silly errors
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    what are the best c4 notes on the internet?
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    (Original post by sara_ara98)
    what are the best c4 notes on the internet?
    Really? Notes for maths? Just do past papers!
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    (Original post by anonwinner)
    Really? Notes for maths? Just do past papers!
    yes notes stuff to revise right before the exam.
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    Anyone done question 3b on IYGB paper U


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    (Original post by sara_ara98)
    what are the best c4 notes on the internet?
    any standard textbook ... start revising from tomorrow morning as you don't want to "peak" too early.
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    (Original post by TeeEm)
    any standard textbook ... start revising from tomorrow morning as you don't want to "peak" too early.
    thank you, yeah ive revised the book but i wanted like all the formulas notes. not actual long notes like the chem and bio notes hahaha!
    EDIT: also if youve seen what i wrote earlier, im sorry it was meant to the guy before you sorry again!
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    (Original post by sara_ara98)
    what are the best c4 notes on the internet?
    http://www.mrbartonmaths.com/resourc...evision/C4.pdf
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    thanks A LOT!
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    is the june14 paper hard?
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    (Original post by sara_ara98)
    thanks A LOT!
    Remember the examsolutions website has worked solutions that are excellent
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    Odd question but does anyone have any tips on avoiding making stupid errors? haha

    I always find myself pressed for time in this exam and as a result end up rushing which means I often lose around 5-10 marks (no exaggeration) on every paper I do due to things as simple as forgetting to include a minus sign through all of my working
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    (Original post by candol)
    Remember the examsolutions website has worked solutions that are excellent
    yeah ive used his videos a lot but all i needed was a summary of all formulas
    THANKS ANYWAY!
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    (Original post by ridirahman)
    is the june14 paper hard?
    Trickier than most but definitely doable
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    (Original post by Egg1)
    Odd question but does anyone have any tips on avoiding making stupid errors? haha

    I always find myself pressed for time in this exam and as a result end up rushing which means I often lose around 5-10 marks (no exaggeration) on every paper I do due to things as simple as forgetting to include a minus sign through all of my working
    Very tricky. Sorting out your own mistakes in an exam like c4 is already hard. Also many students won't be able to tell if their answers for many questions are right or wrong anyway. Priority must be to finish the paper - just work as fast and carefully as you can
    1 tip for negative signs in binomial expansion - in each term count how many minuses there are for each term before working out coefficient - e.g (-1)(-2)(-3x)2 has 4 minus signs so must be a positive value- then work out coefficient
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    How would you integrate a^x?
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    (Original post by paradoxicalme)
    How would you integrate a^x?
    Recognition
    integral of a^xlna is a^x so integral of a^x is a^x/lna


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    (Original post by paradoxicalme)
    How would you integrate a^x?
    It's a^x/lna
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    (Original post by physicsmaths)
    Recognition
    integral of a^xlna is a^x so integral of a^x is a^x/lna


    Posted from TSR Mobile
    (Original post by leroythelost)
    It's a^x/lna
    Thank you
 
 
 
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