AQA Further Paper 2 Specimen — Question 8 5 marks

Exam BoardAQA
ModuleFurther Paper 2 (Further Paper 2)
SessionSpecimen
Marks5
TopicReduction Formulae

8 Given that \(I _ { n } = \int _ { 0 } ^ { \frac { \pi } { 2 } } \sin ^ { n } x \mathrm {~d} x \quad n \geq 0\)
show that \(n I _ { n } = ( n - 1 ) I _ { n - 2 } \quad n \geq 2\)
[0pt] [5 marks]