1.

\[\alpha ,\ \beta \] are the roots of the equation \[{{x}^{2}}-3x+a=0\] and \[\gamma ,\ \delta \] are the roots of the equation \[{{x}^{2}}-12x+b=0\]. If \[\alpha ,\ \beta ,\ \gamma ,\ \delta \] form an increasing G.P., then \[(a,\ b)=\]  [DCE 2000]

A. (3, 12)
B. (12, 3)
C. (2, 32)
D. (4, 16)
Answer» D. (4, 16)


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