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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) | |