A) 3
B) 4
C) 2
D) 1
Correct Answer: A
Solution :
Let \[\alpha \] and \[\beta \] be the roots of equation \[{{x}^{2}}-18x+9=0\] \[\therefore \] G.M. of \[\alpha \] and\[\beta \]\[=\sqrt{\alpha \beta }=\sqrt{9}=3\].
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