Quadratic Equations

Quantitative Aptitude ( CCS)

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Indian Economy - Understanding the basics of Indian economic system

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I. 2x²+x–21 = 0

II. 3y²+4y+32 = 0

x>y

x<y

x=y or no relation

x≥y

Explanation:

2x²+x–21 = 0
2x²+7x–6x–21 = 0
x =7/2
= –3.5, + 6/2= +3
3y²+4y+32 = 0
3y²+12y–8y+32 = 0
y = –12/3
= –4, + 8/3
= +2.66

By: MIRZA SADDAM HUSSAIN

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