Mathematics · Integration
∫ 11 + x + x2 dx =
- 12√5 tan-1(2x + 1√5) + c
- 22√3 tan-1(2x + 1√3) + c✓
- 31√3 log(2x + 1 - √32x + 1 + √3) + c
- 42√3 log(2x + 1 + √32x - 1 - √3) + c
Correct answer
2√3 tan-1(2x + 1√3) + c
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