∫ from 1 to e (1/x) dx =
A0
B-1
C1 (= ln e - ln 1)
De
Answer & Solution
Correct answer: C. 1 (= ln e - ln 1)
∫₁^e dx/x = [ln x]₁^e = ln e - ln 1 = 1 - 0 = 1.
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