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Determine the interval on which f(x) = ln(x) is integrable.

(0, ∞)
[0, ∞)
(−∞, 0) U (0, ∞)
All reals

1 answer

since lnx is defined only for x > 0
it's integral can be defined only for x>0

You figure out which of the choices matches that, I love and prefer the good ol' way of expressing relationships like that.

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