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If the two quadratic ax^2+bx+c=0 and lx^...

If the two quadratic `ax^2+bx+c=0` and `lx^2+mx+n=0` have roots `alpha,beta` and `gamma,delta`respectively. If `alpha,beta,gamma` and `delta` are in A.P and `Delta_1` and `Delta_2` be the discriminants of these quadratics then `Delta_1/Delta_2` is

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