I 8x2 41x 5 0 II 49y2 49y 18 0 ........

Quantitative Aptitude ( CCS) Quadratic Equations

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I. 8x²+41x+5=0

II. 49y²-49y-18=0

x > y

x ≥ y

x < y

x ≤ y

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Explanation:

8x²+41x+5=0
8x² +40x+x+5=0
8x(x +5) + 1(x +5)=0
(x+5) ( 8x+1)=0
x= -5 , -1/8
49y²-49y-18=0
49y² -63y+ 14y -18=0
7y( 7y-9) + 2(7y-9)=0
(7y-9) ( 7y+2)=0
y= 9/7, -2/7
Hence y>x ( 9/7> -1/8) and( -2/7 > -5)

By: Amit Kumar

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I 8x2 41x 5 0 II 49y2 49y 18 0 ........

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