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Integrating 1 over the square root of 4 minus x squared produces which result?
Acos⁻¹(x/2) + C
Bsin⁻¹(x/2) + C
Csin⁻¹(2x) + C
D½ sin⁻¹(x/2) + C
Answer & Solution
Correct answer: B. sin⁻¹(x/2) + C
With a = 2 the standard form ∫dx/√(a² − x²) = sin⁻¹(x/a) applies directly.
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