Differentiation (Year 1) in less than 30 minutes • A-Level Maths, Pure Year 1, Chapter 12 📚

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Use this as quick revision, to summarise a playlist, and/or to check that you are ready to tackle exam questions. (Remember you can change playback speed on YouTube if you're in a rush!)

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thank you for making these videos you really are a life saver ❤

szymonmyca
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Now that you've pretty much finished covering a level maths and fm do you think tmua would be your next venture

ifty
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26:58 why is 20√5 taken and not -20√5? i did -20√5 and got C = 3.05... and then got 14.01... > 0 so minimum but i'm guessing that's not right and 20√5 is the right way like you did

MercGoBrrr