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Question Number 90512 by M±th+et£s last updated on 24/Apr/20

∫_0 ^1 (1/x)dx

$$\int_{\mathrm{0}} ^{\mathrm{1}} \frac{\mathrm{1}}{{x}}{dx} \\ $$

Commented by Kunal12588 last updated on 24/Apr/20

∞?

$$\infty? \\ $$

Commented by jagoll last updated on 24/Apr/20

diverges

$${diverges} \\ $$

Answered by mahdi last updated on 24/Apr/20

=ln(x)]_0 ^1 =ln(1)−ln(0)=+∞

$$\left.=\mathrm{ln}\left(\mathrm{x}\right)\right]_{\mathrm{0}} ^{\mathrm{1}} =\mathrm{ln}\left(\mathrm{1}\right)−\mathrm{ln}\left(\mathrm{0}\right)=+\infty \\ $$

Commented by MJS last updated on 24/Apr/20

strictly mathematical language  [ln x]_0 ^1 =ln 1 −lim_(x→0^+ ) ln x ... =+∞

$$\mathrm{strictly}\:\mathrm{mathematical}\:\mathrm{language} \\ $$$$\left[\mathrm{ln}\:{x}\right]_{\mathrm{0}} ^{\mathrm{1}} =\mathrm{ln}\:\mathrm{1}\:−\underset{{x}\rightarrow\mathrm{0}^{+} } {\mathrm{lim}ln}\:{x}\:...\:=+\infty \\ $$

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