Emanuelle9678 Emanuelle9678
  • 28-09-2017
  • Mathematics
contestada

For what positive value c does the equation logx = cx^4

Respuesta :

ghanami
ghanami ghanami
  • 30-09-2017
hello : 
logx = cx^4
(logx )/ x^4= c
c > 0 : 
solve : (logx )/ x^4  > 0
x > 0 and : logx > 0 means : x>1
so : c > 1  
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