Respuesta :

Answer:

[tex]-a^{2}[/tex]

Step-by-step explanation:

[tex]\frac{-1}{a^{-2} } = \frac{-1}{\frac{1}{a^{2} } } = -1 * \frac{a^{2} }{1} = -a^{2}[/tex]

Otras preguntas