Mannuru J.
asked • 02/18/19find the coefficient of x in expansion of (1+x)/(1-x) for |x|<1
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1 Expert Answer
Divide (1+x) by (1-x) by long division to find the coefficient of x to be 2.
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Mark M.
(1 + x)/(1 - x) does not have an expansion!02/18/19