1.

Let alpha, betabe the roots ofax^(2)+bx+c=0 and gamma, delta be the roots ofpx^(2)+qx+r =0and D_(1), D_(2)be the discriminants respectively. Ifalpha, beta, gamma, deltaare in A.P., thenD_(1):D_(2)is

Answer»

`(a^(2))/(B^(2))`
`(a^(2))/(p^(2))`
`(b^(2))/(q^(2))`
`(C^(2))/(R^(2))`

Answer :b


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