Mister Exam
Lang:
EN
EN
ES
RU
Other calculators:
Integral Step by Step
Derivative Step by Step
Differential equations Step by Step
How to use it?
Limit of the function
:
Limit of (1-3*x^2+2*x^3)/(x^3+2*x+4*x^2)
Limit of (-4-7*x+2*x^2)/(4-13*x+3*x^2)
Limit of 5+3*n
Limit of (-12+x^2-4*x)/(48+x^2-14*x)
Derivative of
:
x^2-7*x
Integral of d{x}
:
x^2-7*x
Factor polynomial
:
x^2-7*x
Identical expressions
x^ two - seven *x
x squared minus 7 multiply by x
x to the power of two minus seven multiply by x
x2-7*x
x²-7*x
x to the power of 2-7*x
x^2-7x
x2-7x
Similar expressions
(4+x^2-5*x)/(12+x^2-7*x)
(6+x^2-7*x)/(-1+x)
(8+x^2-6*x)/(10+x^2-7*x)
x^2+7*x
Limit of the function
/
x^2-7*x
Limit of the function x^2-7*x
at
→
Calculate the limit!
v
For end points:
---------
From the left (x0-)
From the right (x0+)
The graph:
from
to
Piecewise:
{
enter the piecewise function here
The solution
You have entered
[src]
/ 2 \ lim \x - 7*x/ x->3+
$$\lim_{x \to 3^+}\left(x^{2} - 7 x\right)$$
Limit(x^2 - 7*x, x, 3)
Lopital's rule
There is no sense to apply Lopital's rule to this function since there is no indeterminateness of 0/0 or oo/oo type
The graph
Plot the graph
Other limits x→0, -oo, +oo, 1
$$\lim_{x \to 3^-}\left(x^{2} - 7 x\right) = -12$$
More at x→3 from the left
$$\lim_{x \to 3^+}\left(x^{2} - 7 x\right) = -12$$
$$\lim_{x \to \infty}\left(x^{2} - 7 x\right) = \infty$$
More at x→oo
$$\lim_{x \to 0^-}\left(x^{2} - 7 x\right) = 0$$
More at x→0 from the left
$$\lim_{x \to 0^+}\left(x^{2} - 7 x\right) = 0$$
More at x→0 from the right
$$\lim_{x \to 1^-}\left(x^{2} - 7 x\right) = -6$$
More at x→1 from the left
$$\lim_{x \to 1^+}\left(x^{2} - 7 x\right) = -6$$
More at x→1 from the right
$$\lim_{x \to -\infty}\left(x^{2} - 7 x\right) = \infty$$
More at x→-oo
Rapid solution
[src]
-12
$$-12$$
Expand and simplify
One‐sided limits
[src]
/ 2 \ lim \x - 7*x/ x->3+
$$\lim_{x \to 3^+}\left(x^{2} - 7 x\right)$$
-12
$$-12$$
= -12.0
/ 2 \ lim \x - 7*x/ x->3-
$$\lim_{x \to 3^-}\left(x^{2} - 7 x\right)$$
-12
$$-12$$
= -12.0
= -12.0
Numerical answer
[src]
-12.0
-12.0
The graph