Question 3 - 15 mai You should be able to answer this question after studying Unit 7. (a) Find the partial fraction expansion of the rational expression 2a3- 3a2 - 18x 17 a2 -3r- 4 10 (b) Use the par...
Question 9 You should be able to answer this question after studying Unit 8. An object moves along a straight line, and its speed v (in metres per second) when at a position r (in metres) from its starting point can be modelled by the differential equation 10 marks 0 dr0, 20), where k is a positive constant (a) Find the general solution of this differential equation in explicit form (b) The speed of the object at its starting point...