If \[f(x)=1-x+{{x}^{2}}-{{x}^{3}}+...-{{x}^{15}}+{{x}^{16}}-{{x}^{17}}\]then the coefficient of \[{{x}^{2}}\]in f(x-1) is

If \[f(x)=1-x+{{x}^{2}}-{{x}^{3}}+...-{{x}^{15}}+{{x}^{16}}-{{x}^{17}}

1.	If \[f(x)=1-x+{{x}^{2}}-{{x}^{3}}+...-{{x}^{15}}+{{x}^{16}}-{{x}^{17}}\]then the coefficient of \[{{x}^{2}}\]in f(x-1) is
A.	826
B.	816
C.	822
D.	none of these
Answer» C. 822

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If \[f(x)=1-x+{{x}^{2}}-{{x}^{3}}+...-{{x}^{15}}+{{x}^{16}}-{{x}^{17}}\]then the coefficient of \[{{x}^{2}}\]in f(x-1) is

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