OCR FP2 — Question 2

Exam BoardOCR
ModuleFP2 (Further Pure Mathematics 2)
TopicNewton-Raphson method
TypeNewton-Raphson with trigonometric or exponential functions

2 Use the Newton-Raphson method to find the root of the equation \(\mathrm { e } ^ { - x } = x\) which is close to \(x = 0.5\). Give the root correct to 3 decimal places.