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IF ` alpha , beta ` are the roots of `ax^2+bx +c=0` then `((alpha )/(beta )-(beta )/( alpha ))^2`=

A

`(b^2(b^2-4ac))/(c^2a^2)`

B

`(b^2(b^2-4ac))/(ca^3)`

C

`(b^2(b^2-4ac))/(a^4)`

D

`(b^2(b^2-4ac))/(c^4)`

Text Solution

Verified by Experts

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 + bx +c=0 then (alpha ^3...

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  3. IF alpha , beta are the roots of ax^2+bx +c=0 then ((alpha )/(be...

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  4. IF alpha , beta are the roots of ax^2+bx +c=0 then ((1)/(alpha ^2...

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  5. IF alpha , beta are the roots of ax^2+bx +c=0 then (a alpha + b...

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  6. IF alpha , beta are the roots of ax ^2 + bx + c=0 then ( a al...

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  7. IF alpha , beta are the roots of ax ^2 + bx +c=0 then ((alpha )/...

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  9. If alpha , beta are the roots of ax^2+bx +c=0 then (1+ alpha +...

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  10. If alpha , beta are the roots of ax ^2-2bx + c=0 then alpha ...

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  11. IF alpha , beta are real and alpha ^2 , - beta ^2 are the ro...

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  13. If alpha and beta are the roots of the equation x^2-2x+4=0...

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  14. Let alpha and beta be the roots of equation px^2 +qx+r =0 , p n...

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  15. IF alpha , beta be the roots of 6x^2-6x +1=0 then (1)/(2) (a + b...

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  16. If alpha , beta are the roots of x^2-p(x+1)+c=0 then (1+alpha )( ...

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  17. IF alpha , beta are the roots of x^2-p(x+1)-c=0 then (alpha ^2...

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  18. IF alpha ,beta are the roots of ax^2 + bx + c=0 and s(n) = a...

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