Mathematics · Binomial Theorem
The expansion of (1 + x2)-1/2 is:
- 11 - x4 - 316x2 - ...
- 21 + x4 + 332x2 + ...
- 31 - x4 + 332x2 - ...✓
- 41 + x4 + 316x2 + ...
Correct answer
1 - x4 + 332x2 - ...
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