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Multiple choice

If the roots of the equation $x^2+px+q=0$, and $\alpha ^4$ and $\beta ^4$ are the roots of $x^2-rx+q=0$, the roots of $x^2-4qx+2q^2-r=0$ are always

  1. Both non-real

  2. Both positive

  3. Both opposite

  4. Opposite in sign

Reveal answer Fill a bubble to check yourself
D Correct answer

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