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If a, b,c are in GP, where a,c are posit...

If a, b,c are in GP, where a,c are positive, then the equation `ax^2 + bx + c = 0` has (a) real roots (b) imaginary roots c) ratio of roots = `1 : w` where w is a nonreal cube root of unity (d) ratio of roots `= b : ac`

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