1.

The coefficient of the term independent of x in the expansion of \[(1+x+2{{x}^{3}}){{\left( \frac{3}{2}{{x}^{2}}-\frac{1}{3x} \right)}^{9}}\] is [DCE 1994]

A. \[\frac{1}{3}\]
B. \[\frac{19}{54}\]
C. \[\frac{17}{54}\]
D. \[\frac{1}{4}\]
Answer» D. \[\frac{1}{4}\]


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