WHAT IS THE VALUE OF (x+y)(x-y) if x/y=8

a) 3/7
b) 1/7
c)none
d)9/7

• question is not a proper one i think it is what is the value of (x+y)/(x-y) if x/y=8
  x/y=8=>x=8y,by substituting x=8y in x+y/x-y we get 9/7
  ans:9/7
• 9 years agoHelpfull: Yes(2) No(0)
• Use compendodevendo to get ans as d
• 9 years agoHelpfull: Yes(0) No(0)
• i think true quest is:-
  WHAT IS THE VALUE OF (x+y)/(x-y) if x/y=8
  then ans will be 9/7.
  
• 9 years agoHelpfull: Yes(0) No(0)
• d.9/7
  (x+y)/(x-y) is actual question
  take y as common
  y(x/y+1)//y(x/y-1)
  substitute x/y=8 then ans is 9/7.
• 7 years agoHelpfull: Yes(0) No(0)