Multiple Choice Questions

If x y 5 7 then find the value of 5x2 17xy 9y2 y2 ........

Quantitative Aptitude and Numerical Ability (DRDO) (Phase-i and II) Algebra

If x/y= 5/7 then find the value of (5x² -17xy+9y²)/y²

-39/49

29/58

-29/49

23/49

Given x/y= 5/7
Now, (5x² -17xy+9y²)/y²
= 5 (x/y)²-17(x/y)+9
=5 (5/7)²-17(5/7) + 9
=-29/49

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