The value of \[{{(}^{7}}{{C}_{0}}+{{\,}^{7}}{{C}_{1}})+{{(}^{7}}{{C}_{1}}+{{\,}^{7}}{{C}_{2}})+...+\]\[{{(}^{7}}{{C}_{6}}+{{\,}^{7}}{{C}_{7}})\] is

The value of \[{{(}^{7}}{{C}_{0}}+{{\,}^{7}}{{C}_{1}})+{{(}^{7}}{{C}_{

1.	The value of \[{{(}^{7}}{{C}_{0}}+{{\,}^{7}}{{C}_{1}})+{{(}^{7}}{{C}_{1}}+{{\,}^{7}}{{C}_{2}})+...+\]\[{{(}^{7}}{{C}_{6}}+{{\,}^{7}}{{C}_{7}})\] is
A.	\[{{2}^{8}}-2\]
B.	\[{{2}^{8}}-1\]
C.	\[{{2}^{8}}+1\]
D.	\[{{2}^{8}}\]
Answer» B. \[{{2}^{8}}-1\]

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The value of \[{{(}^{7}}{{C}_{0}}+{{\,}^{7}}{{C}_{1}})+{{(}^{7}}{{C}_{1}}+{{\,}^{7}}{{C}_{2}})+...+\]\[{{(}^{7}}{{C}_{6}}+{{\,}^{7}}{{C}_{7}})\] is

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