Find ∫e3x dx\displaystyle\int e^{3x}\,dx∫e3xdx.
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13e3x+c\frac{1}{3}e^{3x} + c31e3x+c
3e3x+c3e^{3x} + c3e3x+c
e3x+ce^{3x} + ce3x+c
14e4x+c\frac{1}{4}e^{4x} + c41e4x+c
480 exam-style questions on AQA A Level Maths 1.11 H: Integration, covering 1.11.1 Fundamental Theorem of Calculus, 1.11.2 Integrating standard functions, 1.11.3 Definite integrals and areas, 1.11.4 Integration as the limit of a sum (A-level only), 1.11.5 Integration by substitution and by parts (A-level only), 1.11.6 Integration using partial fractions (A-level only), 1.11.7 Differential equations with separable variables (A-level only), and 1.11.8 Interpreting solutions of differential equations (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.