laurensal01
laurensal01 laurensal01
  • 21-05-2018
  • Mathematics
contestada

Does anyone know how to do number 8?

Does anyone know how to do number 8 class=

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chi3fcomm5nd
chi3fcomm5nd chi3fcomm5nd
  • 21-05-2018

[tex] \frac{a - 1}{7 - 7a} = \frac{a - 1}{7(1 - a)} = \frac{ - (1 - a)}{7(1 - a)} = \frac{ - 1}{7} [/tex]
for all a except a=1
which is choice 3

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