A curve has equation y=2x+15(3x−6)2,x∈R,x≠2y = \frac{2x + 15}{(3x - 6)^2}, \quad x \in \mathbb{R}, \quad x \neq 2y=(3x−6)22x+15,x∈R,x=2 Use calculus to determine the set of values of x x\,x for which y y\,y is increasing.
Practise Edexcel A Level Maths 9.5 The Quotient Rule with exam-style questions for A Level Maths. 29 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.