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alpha , beta are the roots of ax ^2...

`alpha , beta ` are the roots of `ax ^2+bx +c=0` and ` gamma , sigma ` are the roots of ` px ^3 + qx +r=0` and `D_1 :D_2` be the respective discrimination of these equations .If `alpha , beta gamma and delta ` are in A.P then `D_1 :D_2`=

A

`a^2:p^2`

B

`b^2:q^2`

C

`c^2:r^2`

D

none

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-QUADRATIC EXPRESSIONS-EXERCISE 1A (QUADRATIC EQUATIONS)
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  2. If alpha , beta are the roots of ax ^2+2bx +c=0 and alpha + si...

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  3. alpha , beta are the roots of ax ^2+bx +c=0 and gamma , sigma...

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  4. The ratio of the roots of the equation ax ^2 + bx +c=0 is same ...

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  5. alpha , beta are the roots of ax ^2+bx +c=0 and gamma , sigma...

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  6. Let p and q be the roots of x^2 - 2x + A =0 and let r and s b...

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  7. Let x1 , x2 , be the roots of the equation x^2 - 3x +p=0 an...

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  8. Let alpha , beta be the roots of x^2 - x +p=0 and gamma , ...

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  9. x1 and x3 are the roots of the equation Ax ^2 - 4x +1=0 and x2...

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  10. The coefficient of x in a quadratic equation x^2 + px +q=0 was ...

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  11. The students while solving a quadratic equation in x, one copi...

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  12. If 8 and 2 are the roots of x^2 + ax + beta = 0 and 3,3 are...

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  13. IF x1 and x2 are the real roots of the equation x^2 - kx +c=...

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  14. If one root of the equation I x ^2 - 2(1+i) x+ (2-i) =0 is 2- I ...

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  15. If one root of x^2+ax +8=0 is 4 and the equation x^2 + ax +b=0...

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  16. IF the roots of the equation x^2-5x +16=0 are alpha , beta an...

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  17. IF x^2-3x +2 is a factor of x ^4 -px^2 +q=0 then (p,q)=0

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  18. IF the product of the roots of 5x^2-4x+2+m(4x^2-2x-1) =0 is 3,...

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  19. IF k gt 0 and the product of the roots of the equation x^2 - 3kx...

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  20. The value of K , so that the sum and product of the roots of ...

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