Evaluate: ∫ dx / √(x² - 4)
Evaluate: ∫ dx / √(x² - 4)
- A. log|x + √(x² - 4)| + C
- B. sin⁻¹(x/2) + C
- C. (1/2) log|(x-2)/(x+2)| + C
- D. log|x - √(x² - 4)| + C
Answer: A) log|x + √(x² - 4)| + C
Explanation: Standard form ∫ dx / √(x² - a²) = log|x + √(x² - a²)| + C. Here a = 2.
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