ray187 ray187
  • 04-03-2017
  • Mathematics
contestada

2(n+1/3) = 3/2n + 1

Respuesta :

H1a2r3s4h5 H1a2r3s4h5
  • 04-03-2017
2(n+1/3)=3/2n+1
2n+2/3=3+2n/2n
cross multiplying
we get 4n^2+4n=6+6n
so 4n^2-2n-6=0
4n^2-(6-4)n-6=0
4n^2-6n-4n-6=0
2n(2n-3)-2(2n-3)
(2n-3)(2n-2)
So n=3/2 and n=1
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