The Newton-Raphson Method - Casio Calculators
Teach Leaflet

The Newton-Raphson Method

fx-CG50 A-Level

This resource guides learners to see graphically that the intersection with the x-axis of a sequence of tangents to the curve y = f(x) give rise to the Newton-Raphson method for solving the equation f(x) = 0 numerically. The formula is established and used in the learner notes. Learners are asked to check that their answers are given to a suitable degree of accuracy by looking for a change of sign.

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