state gov Maharashtra Talathi (तलाठी भरती) Mock Test 2023 Quantitative Aptitude Algebra Identities

যদি x 4 + y 4 + x 2 y 2 = 27 এবং x 2 + y 2 - xy = 9 হয়, তাহলে \(\frac{x}{y}+\frac{y}{x}\) এর মান কত?

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