The coefficient of \[{{x}^{n}}\] in the expansion of \[{{(1+x+{{x}^{2}}+....)}^{-n}}\] is

The coefficient of \[{{x}^{n}}\] in the expansion of \[{{(1+x+{{x}^{2}

1.	The coefficient of \[{{x}^{n}}\] in the expansion of \[{{(1+x+{{x}^{2}}+....)}^{-n}}\] is
A.	1
B.	\[{{(-1)}^{n}}\]
C.	n
D.	\[n+1\]
Answer» C. n

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The coefficient of \[{{x}^{n}}\] in the expansion of \[{{(1+x+{{x}^{2}}+....)}^{-n}}\] is

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