Quadratic Equations

Quantitative Aptitude ( CCS)

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I. 20x² – 31x + 12 = 0,

II. 6y² – 7y + 2 = 0

If x > y

If x < y

If x ≥ y

If x ≤ y

Explanation:

20x² – 31x + 12 = 0
20x² – 16x – 15x + 12 = 0
So x = 3/4, 4/5
6y² – 7y + 2 = 0
6y² – 3y – 4y + 2 = 0
So y = 1/2, 2/3
Put on number line
1/2… 2/3… 3/4… 4/5

By: Amit Kumar

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