∫ dx/(x ln x) equals:
Aln(ln x) + C
Bln x + C
C1/(ln x) + C
D(ln x)²/2 + C
Answer & Solution
Correct answer: A. ln(ln x) + C
Let u = ln x, du = dx/x. ∫ du/u = ln u + C = ln(ln x) + C.
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