16 – Determine a solução das seguintes equações fracionárias:
[tex] \\ \\ [/tex]
[tex]\begin{gathered} \begin{gathered}\large \: a) \: \: \:   \overline{ \boxed{\boxed{ \begin{array}{r}\mathsf{ \dfrac{2}{x \: - \: 2} \: - \: \dfrac{1}{x \: + \: 2 \: } \: = \: \dfrac{1}{x} }\end{array}}}} \end{gathered}  \end{gathered}[/tex]
[tex] \\ \\ [/tex]
[tex]\begin{gathered} \begin{gathered}\large \: b) \: \: \:   \overline{ \boxed{\boxed{ \begin{array}{r}\mathsf{ \dfrac{4}{ {x}^{2} \: - \: 4 } \: + \: \dfrac{1}{x \: + \: 2} \: = \: \dfrac{1}{x} }\end{array}}}} \end{gathered}  \end{gathered}[/tex]​
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