If x=1/3 and y=6/7 then xy-y/x =___________
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x = 1/3, y = 6/7
Thus, xy = (1/3)*(6/7)
= 2/7 ..............(i)
and, y/x = (6/7)/(1/3)
= 18/7 ..............(ii)
Subtract (ii) from (i),
xy - y/x = 2/7 - 18/7
= (2 - 18)/7
= -16/7
Hence, xy - y/x = -16/7
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