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.

Mathematics 2014 CDS Elementary Mathematics 2014 CDS 2014

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