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A-Level CAIE Mathematics A23.6.3—Iteration formulaeQuestion Bank

3.6.3—Iteration formulae

• understand how a given simple iterative formula of the form xn + 1 = F(xn) relates to the equation being solved, and use a given iteration, or an iteration based on a given rearrangement of an equation, to determine a root to a prescribed degree of accuracy. Knowledge of the condition for convergence is not included, but an understanding that an iteration may fail to converge is expected.

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