Quadratic Equations

Quantitative Aptitude (RRB NTPC)

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I. 4x²–25x+25 = 0

II. 2y²–13y+21 = 0

x>y

x<y

x≥y

x=y or no relation

Explanation:

4x²–25x+25 = 0
4x²–20x–5x+25 = 0
x =20/4= 5, x = 5/4= 1.25
2y²–13y+21 = 0
2y^2–7y–6y+21 = 0
y =7/2= 3.5, y = 6/2= 3
Hence, there is no relation.

By: MIRZA SADDAM HUSSAIN

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