Given that k k\,k is a positive constant,
find
∫8x2x2+k dx \int \frac{8x}{2x^2 + k} \, dx ∫2x2+k8xdxGiven also that
∫148x2x2+k dx=ln81 \int_{1}^{4} \frac{8x}{2x^2 + k} \, dx = \ln 81 ∫142x2+k8xdx=ln81find the value of kkk.
363 exam-style questions on CCEA A Level Maths 3.6 Integration (A-level only), covering 3.6.1 Integration (A-level only), 3.6.2 Integration (A-level only), 3.6.3 Integration (A-level only), 3.6.4 Integration (A-level only), 3.6.5 Integration (A-level only), 3.6.6 Integration (A-level only), and 3.6.7 Integration (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.