जर x 3 + y 3 = 35 आणि x + y = 5 असेल \(\left( {\frac{1}{x} + \frac{1}{y}} \right)\) चे मूल्य काढा:

1
\(\frac{4}{7}\)
2
\(\frac{3}{8}\)
3
\(\frac{5}{6}\)
4
\(\frac{3}{5}\)

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