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Integral ∫ 1/sqrt(1 - x²) dx =
Aln(x)
Barctan(x)
Carcsin(x) + C
Darccos(x)
Answer & Solution
Correct answer: C. arcsin(x) + C
∫ dx/sqrt(1-x²) = arcsin(x) + C. (Or -arccos(x) + C', differs by constant.) Standard integral.
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