It is given that f(x)=4x3+3xf(x) = 4x^3 + 3xf(x)=4x3+3x
Use differentiation from first principles to prove that f′(x)=12x2+3f'(x) = 12x^2 + 3f′(x)=12x2+3
375 exam-style questions on AQA A Level Maths 1.10 G: Differentiation, covering 1.10.1 The derivative and second derivative, 1.10.2 Differentiating standard functions, 1.10.3 Applications of differentiation, 1.10.4 Product, quotient and chain rules (A-level only), 1.10.5 Implicit and parametric differentiation (A-level only), and 1.10.6 Constructing differential equations (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.