Jduster
Jduster
26-06-2017
Mathematics
contestada
Evaluate x^-2 for x = -3.
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Banabanana
Banabanana
26-06-2017
[tex]x^{-2}= \cfrac{1}{x^2}= \cfrac{1}{(-3)^2} = \cfrac{1}{9} [/tex]
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