1.

The term independent of x in \[{{\left( \sqrt{x}-\frac{2}{x} \right)}^{18}}\]is  [EAMCET 1990]

A. \[^{18}{{C}_{6}}{{2}^{6}}\]
B. \[^{18}{{C}_{6}}{{2}^{12}}\]
C. \[^{18}{{C}_{18}}{{2}^{18}}\]
D. None of these
Answer» B. \[^{18}{{C}_{6}}{{2}^{12}}\]


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