The coefficient of the term independent of `x` in the exampansion of `((x+1)/(x^(2//3)-x^(1//3)+1)-(x-1)/(x-x^(1//2)))^(10)` is `210` b. `105` c. `70` d. `112`

Options

A. `T_(5)=210`
B. `T_(5)=-210`
C. `T_(4)=180`
D. `T_(4)=-180`

Answer

A