banana334488
banana334488 banana334488
  • 17-03-2017
  • Mathematics
contestada

The difference between two positive integers is 4 and the difference between their reciprocal is 1/24 , find the 2 integers .

Respuesta :

100gmailcom
100gmailcom 100gmailcom
  • 17-03-2017
heres the answer
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sike
Answer Link
creamychil
creamychil creamychil
  • 17-03-2017
x - y = 4 
1/y - 1/x = 1/24 
x = y + 4 
1/y - 1/(y + 4) = 1/24 
(y + 4)/y - 1 = (y + 4)/24 
y/y + 4/y - 1 = y/24 + 1/6 
4/y = y/24 + 1/6 
4 = y^2/24 + y/6 
96 = y^2 + 4y 
y^2 + 4y -96 = 0 
(y + 12)(y - 8) = 0 

The numbers are 8 and 12
Answer Link

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