Expand \( (1 - x)^{1/2} \) to the third term.
University of Ilorin MTH101 android past question
- \( 1 - \frac{1}{2}x - \frac{1}{8}x^2 \)
- \( 1 + \frac{1}{2}x + \frac{1}{8}x^2 \)
- \( 1 - \frac{1}{2}x + \frac{1}{8}x^2 \)
- \( 1 - x + x^2 \)
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