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r1111

Do we need to know first principles as part of the IB SL syllabus?

There is derivation by first principles in my textbook but it also has a lot of supllementary material. I find first principles in an inefficient method and a waste of time to review. Do we need to know this tough?

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My teacher said that it would be on the IB exams. I haven't seen it in any test questions yet, though. I believe she said it would be something like, "Show, using first principles, that the derivative of _____ is ______." And it would only be the first part of a multi-part question, with lots of 'hences' afterwards.

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