Answers

2014-06-24T01:00:01+05:30
Let 119 = a and 111 = b
(a² + ab + b²)/(a³ - b³)
= (a² + ab + b²)/{(a - b)(a² + b² + ab)}                  {a³ - b³ = (a - b)(a² + ab + b²)}
 = 1/(a - b)
 = 1/8
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