Edexcel Mathematics October 2021 · Paper 2 · Question 12 · ExamRizz

ExamRizzEdexcel MathematicsMathematics

October 2021 · Paper 2 · Question 12 · 7 marks

12. (a) Use the substitution u = 1 + x to show that x x 1016 +∫ dx = 213()u upq−∫ du where p and q are constants to be found. (3) (b) Hence show that x x 1016 +∫ dx = A – B ln 5 where A and B are constants to be found. (4) 35 36 37

Lesson: Introduction to Integration (Fundamental Theorem of Calculus)