Consider the series $${{\text{x}}_{{\text{n}} + 1}} = \frac{{{{\text{x}}_{\text{n}}}}}{2} + \frac{9}{{8{{\text{x}}_{\text{n}}}}},\,{{\text{x}}_0} = 0.5$$ obtained from the Newton-Raphson method. The series converges to
A. 1.5
B. √2
C. 1.6
D. 1.4
Answer: Option A
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