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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 , delta ` are the roots of ` px ^2 + 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

`(a^2)/(b^2)`

C

`(b^2)/(q^2)`

D

`(c^2)/(r^2)`

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The correct Answer is:
A
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