∫dx/√(x² − 25) equals:
∫dx/√(x² − 25) equals:
- A. ln|x + √(x²−25)| + C
- B. sin⁻¹(x/5) + C
- C. (1/5)sec⁻¹(x/5) + C
- D. cosh⁻¹(x/5) + C
Answer: A) ln|x + √(x²−25)| + C
Explanation: Standard result ∫dx/√(x² − a²) = ln|x + √(x² − a²)| + C. Here a = 5.
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