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Alinara [238K]
3 years ago
14

Simplify the following rational expression.

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
7 0

Answer:

z=-8 and z=8

Step-by-step explanation:

A rational expression  is undefined when its denominator is equal to zero, so our expression is undefined when z^2-64=0. Solving for z, we get

z^2=64\\\sqrt{z^2}=\pm\sqrt{64}\\ z=\pm8

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Step-by-step explanation:

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2 years ago
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7 0
3 years ago
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