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Let ` alpha ,beta " be the roots of " ax^(2) +bx + c= 0, gamma, detla " be the roots of " px^(2) + qx r=0 =0 and D_(1) and D_(2) ` be their respective discrimiant , if ` alpha, beta, gamma, delta` are in A.P., then the ratio ` D_(1) : D_(2)` is equal to

A

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

B

`(a^(2))/(p^(2))`

C

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

D

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

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The correct Answer is:
B
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