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log(x)/x^2
Limit of the function/ log(x)/x^2

Limit of the function log(x)/x^2

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You have entered [src] 
     /log(x)\
 lim |------|
x->oo|   2  |
     \  x   /
lim⁡x→∞(log⁡(x)x2)\lim_{x \to \infty}\left(\frac{\log{\left(x \right)}}{x^{2}}\right) 
Limit(log(x)/x^2, x, oo, dir='-')
Lopital's rule
We have indeterminateness of type
oo/oo,

i.e. limit for the numerator is
lim⁡x→∞log⁡(x)=∞\lim_{x \to \infty} \log{\left(x \right)} = \infty
and limit for the denominator is
lim⁡x→∞x2=∞\lim_{x \to \infty} x^{2} = \infty
Let's take derivatives of the numerator and denominator until we eliminate indeterninateness.
lim⁡x→∞(log⁡(x)x2)\lim_{x \to \infty}\left(\frac{\log{\left(x \right)}}{x^{2}}\right)
=
lim⁡x→∞(ddxlog⁡(x)ddxx2)\lim_{x \to \infty}\left(\frac{\frac{d}{d x} \log{\left(x \right)}}{\frac{d}{d x} x^{2}}\right)
=
lim⁡x→∞(12x2)\lim_{x \to \infty}\left(\frac{1}{2 x^{2}}\right)
=
lim⁡x→∞(12x2)\lim_{x \to \infty}\left(\frac{1}{2 x^{2}}\right)
=
00
It can be seen that we have applied Lopital's rule (we have taken derivatives with respect to the numerator and denominator) 1 time(s)
The graph
02468-8-6-4-2-1010-250250
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Other limits x→0, -oo, +oo, 1
lim⁡x→∞(log⁡(x)x2)=0\lim_{x \to \infty}\left(\frac{\log{\left(x \right)}}{x^{2}}\right) = 0
lim⁡x→0−(log⁡(x)x2)=−∞\lim_{x \to 0^-}\left(\frac{\log{\left(x \right)}}{x^{2}}\right) = -\infty
More at x→0 from the left
lim⁡x→0+(log⁡(x)x2)=−∞\lim_{x \to 0^+}\left(\frac{\log{\left(x \right)}}{x^{2}}\right) = -\infty
More at x→0 from the right
lim⁡x→1−(log⁡(x)x2)=0\lim_{x \to 1^-}\left(\frac{\log{\left(x \right)}}{x^{2}}\right) = 0
More at x→1 from the left
lim⁡x→1+(log⁡(x)x2)=0\lim_{x \to 1^+}\left(\frac{\log{\left(x \right)}}{x^{2}}\right) = 0
More at x→1 from the right
lim⁡x→−∞(log⁡(x)x2)=0\lim_{x \to -\infty}\left(\frac{\log{\left(x \right)}}{x^{2}}\right) = 0
More at x→-oo
Rapid solution [src] 
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The graph
Limit of the function log(x)/x^2
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