x + y = 2 மற்றும் \(\frac{1}{x}+\frac{1}{y}=\frac{18}{5}\) என்றால், (x3 + y3 ) இன் மதிப்பு என்ன ?

1
\(3\frac{1}{3}\)
2
\(4\frac{3}{5}\)
3
\(3\frac{1}{5}\)
4
\(4\frac{2}{3}\)

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