Teaching UPTET 2023 (Paper 1 & 2) Mock Test Quantitative Aptitude Algebra Identities

यदि x + y = 3 और x2 + y2 = 29 है, तो \(\rm \frac{1}{x}+\frac{1}{y}\) का मान है-

1
\(\frac{3}{29}\)
2
\(-\frac{3}{10}\)
3
\(-\frac{1}{5}\)
4
\(\frac{3}{10}\)
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