I just need to know how to calculate

Mathematics

1 answer:

Anton [14]2 years ago

8 0

Answer:

$-a^{2}$

Step-by-step explanation:

$\frac{-1}{a^{-2} } = \frac{-1}{\frac{1}{a^{2} } } = -1 * \frac{a^{2} }{1} = -a^{2}$

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