Edexcel Mathematics June 2018 · Paper 1 · Question 2 · ExamRizz

ExamRizzEdexcel MathematicsMathematics

June 2018 · Paper 1 · Question 2 · 7 marks

2. A curve C has equation y = x2 − 2x − 24x, x > 0 (a) Find (i) d dy x (ii) d d2 2y x(3) (b) Verify that C has a stationary point when x = 4 (2) (c) Determine the nature of this stationary point, giving a reason for your answer. (2) 5

Lesson: Introduction to Differentiation and First Principles (Polynomials)