UPSC CDS Math Quadratic Equations and Inequations Questions

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Question : 59 of 67
 
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If m. and n are the roots of the equation x2+ax+b=0 and m2 and n2 are the roots of the equation x2−cx+d=0, then which of the following is/are correct?
1. 2b−a2=c
2. b2=d
Select the correct answer using the code given below.
[2014 CDS-II]
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