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If alpha , beta are the roots of a...

If ` alpha , beta ` are the roots of `ax ^2+2bx +c=0` and ` alpha + sigma , beta + sigma ` are the roots of `Ax^2 + 2Bx +c=0` then ` (b^2-ac)/(B^2-AC)=`

A

`a//A`

B

`A//a`

C

`(a //A)^2`

D

`(A//a )^2`

Text Solution

Verified by Experts

The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-QUADRATIC EXPRESSIONS-EXERCISE 1A (QUADRATIC EQUATIONS)
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  16. If one root of x^2+ax +8=0 is 4 and the equation x^2 + ax +b=0...

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

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

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