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If alpha and beta the roots of x^(2) + ...

If `alpha and beta ` the roots of `x^(2) + px + q = 0` and `alpha^(4), beta^(4)` are the roots of `x^(2) - rx + s = 0` , then the equation `x^(2) - 4qx + 2q^(1) - r = `0 has always :

A

two real roots

B

two negative roots

C

two positive roots

D

one positive and one negative root

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The correct Answer is:
B
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