Teaching Railway Teacher PRT 2025 Mock Test Series Quantitative Aptitude Algebra Identities

5x -3y = 35 மற்றும் xy = -20 எனில்  \(\rm \frac{25x}{y}+\frac{9y}{x}\)இன் மதிப்பு என்ன?

1
-125/4
2
125/4
3
25/4
4
-25/8

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