Find the derivative of a function of a function using the chain rule.
Instructional exercise consisting of question 3 from the first paper of the 2017 SQA New Higher Mathematics examination.
Where appropriate the alternative methods for solving the problem are also given.
Set out in stages of 'try then check' the worked solution to each part of the question.
Including indications of where each mark is allocated, and the requirements for that mark, according to the marking scheme.
