Mathematics · Integration
Find the value of the integral: ∫ cos-11 - x21 + x2 dx
- 12 [tan-1(x) - log√1 + x2] + C
- 2x tan-1(x) + log√1 - x2 + C
- 32x tan-1(x) + log√1 + x2 + C
- 42 [x tan-1(x) - log√1 + x2] + C✓
Correct answer
2 [x tan-1(x) - log√1 + x2] + C
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