1.

If \[|x|>1\], then \[{{(1+x)}^{-2}}\] =

A. \[1-2x+3{{x}^{2}}-....\]
B. \[1+2x+3{{x}^{2}}+\]....
C. \[1-\frac{2}{x}+\frac{3}{{{x}^{2}}}-....\]
D. \[\frac{1}{{{x}^{2}}}-\frac{2}{{{x}^{3}}}+\frac{3}{{{x}^{4}}}-\]...
Answer» E.


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