aclausen2000 aclausen2000
  • 24-06-2017
  • Mathematics
contestada

Which expression is equivalent to b^-2/ab^-5?
a) a/b^5
b)1/ab^5
c)a^3b/1
d)b/a

Respuesta :

jdoe0001 jdoe0001
  • 24-06-2017
[tex]\bf a^{-{ n}} \implies \cfrac{1}{a^{ n}}\qquad \qquad \cfrac{1}{a^{-n}}\implies a^{{ n}}\\\\ -------------------------------\\\\ \cfrac{b^{-2}}{ab^{-5}}\implies \cfrac{b^{-2}\cdot b^{+5}}{a}\implies \cfrac{b^{-2+5}}{a}\implies \cfrac{b^3}{a}[/tex]
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