Prove, from first principles, that the derivative of x3 x^3\,x3 is 3x23x^23x2.
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Markscheme
1.9.2 Gradient as limit of chord gradient Questions
8 exam-style questions on OCR (MEI) A Level Maths 1.9.2 Gradient as limit of chord gradient. Each one has a worked solution and a mark scheme showing where the marks go.