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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. | |