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Problem 736

Find the first four terms of the expansion of \((2-1)^{1 / 2}\).

Expert verified

The first four terms of the expansion of \((2-1)^{\frac{1}{2}}\) are:
\(\frac{1}{\sqrt{2}} - \frac{1}{2} - \frac{1}{8\sqrt{2}} - \frac{5}{32}\)

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