A-Level Maths: G1-13 [Differentiation: Differentiate x^2 + 2x + 1 from First Principles]

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Jonathan or whoever is in charge should give you a pay rise for all this work you do for students. I can't thank you enough!

desklamp
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I love you, I have never understood this topic and you explained it brilliantly, you’re fantastic mate

thomaswainwright
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THANK YOU! I have my y12 mocks in less than 2 hours, and completely forgot about this. Thank God I remembered it now. And brilliant video, I understand it perfectly

puddleduck
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Last minute revision! Thanks, TLMaths!

catgirlleah
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Thank you, this video has explained this much better than my rubbish AQA textbook!

fizzy
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where does the formula nx^(n-1) come from?

monkie
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Why didnt you expand out the final bracket?

Ryan-gspt
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this is perfectly explained, can someone please answer why you'd use this method to differentiate instead of the method of where you multiple the constant by the power then minus one of the power? thanks!

musejames