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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 positive roots

C

two negative roots

D

one positive and one negative root.

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The correct Answer is:
A
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MODERN PUBLICATION-QUADRATIC EQUATIONS -MULTIPLE CHOICE QUESTIONS (LEVEL-II)
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  3. If a, b and c real numbers such that a^(2) + b^(2) + c^(2) = 1, then...

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  8. The number of real roots of : 1 + a(1)X + a(2) x^(2) .... + a(n) x^...

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  15. If a + b + c = 0 , then the equation equation : 3ax^(2) + 2bx + c = ...

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  18. A quadratic equation whose roots are ((gamma)/(alpha))^(2) and ((beta...

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  19. If alpha, beta are the roots of lambda(x^(2)+x)+x+5=0 and lambda(1), l...

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  20. The least integer satisfying : 49.4 - ((27 - x)/(10)) lt 47.4 - ((2...

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