1.

If α and β are the roots of the equation 2x2 + 2px + p2 = 0, where p is a non-zero real number, and α4 and β4 are the roots of x2 - rx + s = 0, then the roots of 2x2 - 4p2x + 4p4 - 2r = 0 are:

A. Real and unequal.
B. Equal and zero.
C. Imaginary.
D. Equal and non-zero.
Answer» D. Equal and non-zero.


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