Seudónimo Seudónimo
  • 12-11-2018
  • Mathematics
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Which expression is equivalent to x^−4?  Best answer will be marked Brainlist
A. x^−1+x^−3
B. x^−2⋅x^−2
C. x^2−x^6
D. x^−1⋅x^4

Respuesta :

gmany
gmany gmany
  • 18-11-2018

[tex]x^{-4}=x^{(-2)+(-2)}=x^{-2}\cdot x^{-2}\to\boxed{B.}\\\\Used:\ a^n\cdot a^m=a^{n+m}[/tex]

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