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Question

There are 2 quadratic equations, a2a+p=0 and a2a+3p=0  (p0). For what value of p will one root of the second equation = double the root of the first equation? 


A
2
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B
3
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C
-2
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D
–3
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Solution

The correct option is A -2

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Take p = -2

a2a2=0 and  a2a6=0

Roots of 1st equation = 2,-1 and roots of second equation = 3, -2


Quantitative Aptitude

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