Finding the Derivative from First Principles - AS Level/Year 12 Mathematics

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In this video you can practice using the definition of the derivative to differentiate some basic functions. At the same time we need to recognise that differentiation from first principles is the "long way" to find derivatives so we want to look out for some rules to use in the future.

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I like how you bring out the mathematical sense all through. Well done and thank you very much.

pjnyanjui
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Thanks for making this video, it was a lot easier to understand than others 👍

Beanjamin
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Extremely helpful video, so clearly explained. Thank you so much ✌️

KeepingUpWithKpy
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Question:
Find the unknowns x and y that belong to Real numbers
2-=[ (x+yi) ÷ ²(1-i) ]+[ (x-yi) ÷ ²(1-i) ]
.But the )² is to the right of the 1-i

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