railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Algebra Polynomials

જો x3 + y3 = 35 અને x + y = 5 હોય, તો \(\left( {\frac{1}{x} + \frac{1}{y}} \right)\)નું મૂલ્ય શું છે?

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