Prove, from first principles, that the derivative of 5x2 5x^2\,5x2 is 10x10x10x.
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Markscheme
1.10.1 The derivative and second derivative Questions
8 exam-style questions on AQA A Level Maths 1.10.1 The derivative and second derivative. Each one has a worked solution and a mark scheme showing where the marks go.