\[\sum\limits_{k=0}^{10}{^{20}{{C}_{k}}=}\] [Orissa JEE 2004]

1.	\[\sum\limits_{k=0}^{10}{^{20}{{C}_{k}}=}\] [Orissa JEE 2004]
A.	\[{{2}^{19}}+\frac{1}{2}{{\,}^{20}}{{C}_{10}}\]
B.	\[{{2}^{19}}\]
C.	\[^{20}{{C}_{10}}\]
D.	None of these
Answer» B. \[{{2}^{19}}\]

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\[\sum\limits_{k=0}^{10}{^{20}{{C}_{k}}=}\] [Orissa JEE 2004]

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