Edexcel Mathematics June 2019 · Paper 1 · Question 3 · ExamRizz

ExamRizzEdexcel MathematicsMathematics

June 2019 · Paper 1 · Question 3 · 5 marks

3. yxx xx =+ +≠−51 0 112 2() (a) Show that d dy xA xn=+()1 where A and n are constants to be found. (4) (b) Hence deduce the range of values for x for which d dy x<0 (1)

Lesson: Introduction to Differentiation and First Principles (Polynomials)