Mister Exam

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z^4

Limit of the function z^4

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The solution

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       4
 lim  z 
z->-1+  
$$\lim_{z \to -1^+} z^{4}$$
Limit(z^4, z, -1)
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
Rapid solution [src]
1
$$1$$
Other limits z→0, -oo, +oo, 1
$$\lim_{z \to -1^-} z^{4} = 1$$
More at z→-1 from the left
$$\lim_{z \to -1^+} z^{4} = 1$$
$$\lim_{z \to \infty} z^{4} = \infty$$
More at z→oo
$$\lim_{z \to 0^-} z^{4} = 0$$
More at z→0 from the left
$$\lim_{z \to 0^+} z^{4} = 0$$
More at z→0 from the right
$$\lim_{z \to 1^-} z^{4} = 1$$
More at z→1 from the left
$$\lim_{z \to 1^+} z^{4} = 1$$
More at z→1 from the right
$$\lim_{z \to -\infty} z^{4} = \infty$$
More at z→-oo
One‐sided limits [src]
       4
 lim  z 
z->-1+  
$$\lim_{z \to -1^+} z^{4}$$
1
$$1$$
= 1.0
       4
 lim  z 
z->-1-  
$$\lim_{z \to -1^-} z^{4}$$
1
$$1$$
= 1.0
= 1.0
Numerical answer [src]
1.0
1.0
The graph
Limit of the function z^4