TMUA: Trapezium rule

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I used some pictures from here:

If you need a more basic refresher on trapezium rule you can find a decent series here:
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this video makes this topic so easy, much appreciated 👍🏼

jeddslade
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Hi would you be able to make a vid on the formulas you’ll definitely need for tmua that would be really useful thank you

frogvaccines
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Hi, for the 2019 P1 Q8, why did u choose a quadratic graph? Could you maybe explain how to choose a graph, and your thought process for it. Thank you.

_NSY
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For that first question, the standard trapezium rule works and you dont have to think about it being negative when x=1/2. Is this just a coincidence give that this is a log graph or does the trapezium rule formula always give the correct estimate no matter if the graph goes +ve/-ve?

yahyakhan
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hi, are we allowed rulers in tmua exams?

ItsMoses