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Identify the Newton-Raphson iteration scheme for finding the square root of 2.

Identify the Newton-Raphson iteration scheme for finding the square root of 2. Correct Answer $${{\text{x}}_{{\text{n}} + 1}} = \frac{1}{2}\left( {{{\text{x}}_{\text{n}}} + \frac{2}{{{{\text{x}}_{\text{n}}}}}} \right)$$

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