A curve has equation
y4e2x+2y−32x=k y^4 e^{2x} + 2y - 32x = k y4e2x+2y−32x=kwhere k k\,k is a constant. The curve has a stationary point on the yyy-axis. Determine the possible values of kkk.
263 exam-style questions on CCEA A Level Maths 3.5 Differentiation (A-level only), covering 3.5.1 Differentiation (A-level only), 3.5.2 Differentiation (A-level only), 3.5.3 Differentiation (A-level only), 3.5.4 Differentiation (A-level only), 3.5.5 Differentiation (A-level only), and 3.5 Differentiation (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.